2565373676 has 6 divisors (see below), whose sum is σ = 4489403940. Its totient is φ = 1282686836.

The previous prime is 2565373607. The next prime is 2565373687. The reversal of 2565373676 is 6763735652.

It is a super-5 number, since 5×2565373676⁵ (a number of 48 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320671706 + ... + 320671713.

It is an arithmetic number, because the mean of its divisors is an integer number (748233990).

Almost surely, 2^2565373676 is an apocalyptic number.

It is an amenable number.

2565373676 is a deficient number, since it is larger than the sum of its proper divisors (1924030264).

2565373676 is a wasteful number, since it uses less digits than its factorization.

2565373676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641343423 (or 641343421 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 50.

The square root of 2565373676 is about 50649.5180233731. The cubic root of 2565373676 is about 1368.9372609636.

The spelling of 2565373676 in words is "two billion, five hundred sixty-five million, three hundred seventy-three thousand, six hundred seventy-six".