4252766713645 has 4 divisors (see below), whose sum is σ = 5103320056380. Its totient is φ = 3402213370912.

The previous prime is 4252766713619. The next prime is 4252766713831. The reversal of 4252766713645 is 5463176672524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 519226889476 + 3733539824169 = 720574^2 + 1932237^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252766713645 - 2²³ = 4252758325037 is a prime.

It is a super-3 number, since 3×4252766713645³ (a number of 39 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4252766713645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425276671360 + ... + 425276671369.

It is an arithmetic number, because the mean of its divisors is an integer number (1275830014095).

Almost surely, 2^{4252766713645} is an apocalyptic number.

It is an amenable number.

4252766713645 is a deficient number, since it is larger than the sum of its proper divisors (850553342735).

4252766713645 is an equidigital number, since it uses as much as digits as its factorization.

4252766713645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850553342734.

The product of its digits is 50803200, while the sum is 58.

The spelling of 4252766713645 in words is "four trillion, two hundred fifty-two billion, seven hundred sixty-six million, seven hundred thirteen thousand, six hundred forty-five".