979560199025281 has 4 divisors (see below), whose sum is σ = 1031115998974000. Its totient is φ = 928004399076564.

The previous prime is 979560199025273. The next prime is 979560199025329. The reversal of 979560199025281 is 182520991065979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 979560199025281 - 2³ = 979560199025273 is a prime.

It is a super-2 number, since 2×979560199025281² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979560199022281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25777899974331 + ... + 25777899974368.

It is an arithmetic number, because the mean of its divisors is an integer number (257778999743500).

Almost surely, 2^{979560199025281} is an apocalyptic number.

It is an amenable number.

979560199025281 is a deficient number, since it is larger than the sum of its proper divisors (51555799948719).

979560199025281 is a wasteful number, since it uses less digits than its factorization.

979560199025281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555799948718.

The product of its (nonzero) digits is 220449600, while the sum is 73.

The spelling of 979560199025281 in words is "nine hundred seventy-nine trillion, five hundred sixty billion, one hundred ninety-nine million, twenty-five thousand, two hundred eighty-one".