65609090955 has 24 divisors (see below), whose sum is σ = 114032323392. Its totient is φ = 34896161664.

The previous prime is 65609090929. The next prime is 65609091001. The reversal of 65609090955 is 55909090656.

It is not a de Polignac number, because 65609090955 - 2⁵ = 65609090923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969834 + ... + 2002863.

It is an arithmetic number, because the mean of its divisors is an integer number (4751346808).

Almost surely, 2^65609090955 is an apocalyptic number.

65609090955 is a deficient number, since it is larger than the sum of its proper divisors (48423232437).

65609090955 is a wasteful number, since it uses less digits than its factorization.

65609090955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973075 (or 3973072 counting only the distinct ones).

The product of its (nonzero) digits is 3280500, while the sum is 54.

The spelling of 65609090955 in words is "sixty-five billion, six hundred nine million, ninety thousand, nine hundred fifty-five".