2562917979 has 8 divisors (see below), whose sum is σ = 3481700112. Its totient is φ = 1676373920.

The previous prime is 2562917971. The next prime is 2562917983. The reversal of 2562917979 is 9797192652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2562917979 - 2³ = 2562917971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2562917971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8059332 + ... + 8059649.

It is an arithmetic number, because the mean of its divisors is an integer number (435212514).

Almost surely, 2^2562917979 is an apocalyptic number.

2562917979 is a deficient number, since it is larger than the sum of its proper divisors (918782133).

2562917979 is a wasteful number, since it uses less digits than its factorization.

2562917979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16119037.

The product of its digits is 4286520, while the sum is 57.

The square root of 2562917979 is about 50625.2701622421. The cubic root of 2562917979 is about 1368.5003176851.

The spelling of 2562917979 in words is "two billion, five hundred sixty-two million, nine hundred seventeen thousand, nine hundred seventy-nine".