2576980965 has 16 divisors (see below), whose sum is σ = 4440336768. Its totient is φ = 1268667456.

The previous prime is 2576980951. The next prime is 2576980981. The reversal of 2576980965 is 5690896752.

It is not a de Polignac number, because 2576980965 - 2⁸ = 2576980709 is a prime.

It is a super-4 number, since 4×2576980965⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6607449 + ... + 6607838.

It is an arithmetic number, because the mean of its divisors is an integer number (277521048).

Almost surely, 2^2576980965 is an apocalyptic number.

It is an amenable number.

2576980965 is a deficient number, since it is larger than the sum of its proper divisors (1863355803).

2576980965 is a wasteful number, since it uses less digits than its factorization.

2576980965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215308.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The square root of 2576980965 is about 50763.9731010093. The cubic root of 2576980965 is about 1370.9987859373.

The spelling of 2576980965 in words is "two billion, five hundred seventy-six million, nine hundred eighty thousand, nine hundred sixty-five".