64362895091 has 12 divisors (see below), whose sum is σ = 71563891560. Its totient is φ = 57407700480.

The previous prime is 64362895073. The next prime is 64362895099. The reversal of 64362895091 is 19059826346.

It is not a de Polignac number, because 64362895091 - 2⁶ = 64362895027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64362895099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010606 + ... + 1072403.

It is an arithmetic number, because the mean of its divisors is an integer number (5963657630).

Almost surely, 2^64362895091 is an apocalyptic number.

64362895091 is a deficient number, since it is larger than the sum of its proper divisors (7200996469).

64362895091 is a wasteful number, since it uses less digits than its factorization.

64362895091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083126 (or 2083073 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 64362895091 in words is "sixty-four billion, three hundred sixty-two million, eight hundred ninety-five thousand, ninety-one".