2452773643 has 4 divisors (see below), whose sum is σ = 2453158008. Its totient is φ = 2452389280.

The previous prime is 2452773607. The next prime is 2452773671. The reversal of 2452773643 is 3463772542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2452773643 - 2⁹ = 2452773131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2452773643.

It is not an unprimeable number, because it can be changed into a prime (2452773143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182446 + ... + 195427.

It is an arithmetic number, because the mean of its divisors is an integer number (613289502).

Almost surely, 2^2452773643 is an apocalyptic number.

2452773643 is a deficient number, since it is larger than the sum of its proper divisors (384365).

2452773643 is an equidigital number, since it uses as much as digits as its factorization.

2452773643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384364.

The product of its digits is 846720, while the sum is 43.

The square root of 2452773643 is about 49525.4847830892. The cubic root of 2452773643 is about 1348.6082855740.

The spelling of 2452773643 in words is "two billion, four hundred fifty-two million, seven hundred seventy-three thousand, six hundred forty-three".