2452764645 has 20 divisors (see below), whose sum is σ = 4396808460. Its totient is φ = 1308140928.

The previous prime is 2452764637. The next prime is 2452764649. The reversal of 2452764645 is 5464672542.

2452764645 is a `hidden beast` number, since 2 + 4 + 527 + 64 + 64 + 5 = 666.

2452764645 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1563174369 + 889590276 = 39537^2 + 29826^2 .

It is not a de Polignac number, because 2452764645 - 2³ = 2452764637 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2452764645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452764649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3027700 + ... + 3028509.

It is an arithmetic number, because the mean of its divisors is an integer number (219840423).

Almost surely, 2^2452764645 is an apocalyptic number.

It is an amenable number.

2452764645 is a deficient number, since it is larger than the sum of its proper divisors (1944043815).

2452764645 is an equidigital number, since it uses as much as digits as its factorization.

2452764645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056226 (or 6056217 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The square root of 2452764645 is about 49525.3939408865. The cubic root of 2452764645 is about 1348.6066364489.

The spelling of 2452764645 in words is "two billion, four hundred fifty-two million, seven hundred sixty-four thousand, six hundred forty-five".