526401613922 has 6 divisors (see below), whose sum is σ = 789603959979. Its totient is φ = 263200293930.

The previous prime is 526401613897. The next prime is 526401613931. The reversal of 526401613922 is 229316104625.

It can be written as a sum of positive squares in only one way, i.e., 263200806961 + 263200806961 = 513031^2 + 513031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=513031.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 526401613922.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 769547 + ... + 1282577.

Almost surely, 2^526401613922 is an apocalyptic number.

526401613922 is a deficient number, since it is larger than the sum of its proper divisors (263202346057).

526401613922 is an frugal number, since it uses more digits than its factorization.

526401613922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026064 (or 513033 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 526401613922 in words is "five hundred twenty-six billion, four hundred one million, six hundred thirteen thousand, nine hundred twenty-two".