520879012922 has 4 divisors (see below), whose sum is σ = 781318519386. Its totient is φ = 260439506460.

The previous prime is 520879012919. The next prime is 520879012943. The reversal of 520879012922 is 229210978025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 501831976801 + 19047036121 = 708401^2 + 138011^2 .

It is a super-2 number, since 2×520879012922² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130219753229 + ... + 130219753232.

Almost surely, 2^520879012922 is an apocalyptic number.

520879012922 is a deficient number, since it is larger than the sum of its proper divisors (260439506464).

520879012922 is a wasteful number, since it uses less digits than its factorization.

520879012922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260439506463.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 520879012922 in words is "five hundred twenty billion, eight hundred seventy-nine million, twelve thousand, nine hundred twenty-two".