2564762373 has 20 divisors (see below), whose sum is σ = 3832793580. Its totient is φ = 1709180352.

The previous prime is 2564762327. The next prime is 2564762383. The reversal of 2564762373 is 3732674652.

2564762373 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 1527793569 + 1036968804 = 39087^2 + 32202^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2564762373 is a prime.

It is a super-2 number, since 2×2564762373² = 13156012059913182258, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564762383) 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, 296161 + ... + 304697.

It is an arithmetic number, because the mean of its divisors is an integer number (191639679).

Almost surely, 2^2564762373 is an apocalyptic number.

It is an amenable number.

2564762373 is a deficient number, since it is larger than the sum of its proper divisors (1268031207).

2564762373 is an equidigital number, since it uses as much as digits as its factorization.

2564762373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258 (or 12249 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The square root of 2564762373 is about 50643.4830259531. The cubic root of 2564762373 is about 1368.8285176200.

The spelling of 2564762373 in words is "two billion, five hundred sixty-four million, seven hundred sixty-two thousand, three hundred seventy-three".