65164894629 has 4 divisors (see below), whose sum is σ = 86886526176. Its totient is φ = 43443263084.

The previous prime is 65164894591. The next prime is 65164894703. The reversal of 65164894629 is 92649846156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65164894629 - 2²⁴ = 65148117413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164894229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860815769 + ... + 10860815774.

It is an arithmetic number, because the mean of its divisors is an integer number (21721631544).

Almost surely, 2^65164894629 is an apocalyptic number.

It is an amenable number.

65164894629 is a deficient number, since it is larger than the sum of its proper divisors (21721631547).

65164894629 is a wasteful number, since it uses less digits than its factorization.

65164894629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721631546.

The product of its digits is 22394880, while the sum is 60.

The spelling of 65164894629 in words is "sixty-five billion, one hundred sixty-four million, eight hundred ninety-four thousand, six hundred twenty-nine".