26813897192 has 8 divisors (see below), whose sum is σ = 50276057250. Its totient is φ = 13406948592.

The previous prime is 26813897179. The next prime is 26813897219. The reversal of 26813897192 is 29179831862.

It can be written as a sum of positive squares in only one way, i.e., 26684529316 + 129367876 = 163354^2 + 11374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675868567 + ... + 1675868582.

Almost surely, 2^26813897192 is an apocalyptic number.

It is an amenable number.

26813897192 is a deficient number, since it is larger than the sum of its proper divisors (23462160058).

26813897192 is a wasteful number, since it uses less digits than its factorization.

26813897192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351737155 (or 3351737151 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The spelling of 26813897192 in words is "twenty-six billion, eight hundred thirteen million, eight hundred ninety-seven thousand, one hundred ninety-two".