26912238465 has 32 divisors (see below), whose sum is σ = 50045045760. Its totient is φ = 12094213824.

The previous prime is 26912238461. The next prime is 26912238487. The reversal of 26912238465 is 56483221962.

It is a happy number.

It is not a de Polignac number, because 26912238465 - 2² = 26912238461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26912238461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2165899 + ... + 2178288.

It is an arithmetic number, because the mean of its divisors is an integer number (1563907680).

Almost surely, 2^26912238465 is an apocalyptic number.

It is an amenable number.

26912238465 is a deficient number, since it is larger than the sum of its proper divisors (23132807295).

26912238465 is a wasteful number, since it uses less digits than its factorization.

26912238465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344261.

The product of its digits is 1244160, while the sum is 48.

The spelling of 26912238465 in words is "twenty-six billion, nine hundred twelve million, two hundred thirty-eight thousand, four hundred sixty-five".