65420604371 has 4 divisors (see below), whose sum is σ = 65443666992. Its totient is φ = 65397541752.

The previous prime is 65420604307. The next prime is 65420604413. The reversal of 65420604371 is 17340602456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65420604371 - 2⁶ = 65420604307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65420601371) 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, 11527055 + ... + 11532728.

It is an arithmetic number, because the mean of its divisors is an integer number (16360916748).

Almost surely, 2^65420604371 is an apocalyptic number.

65420604371 is a deficient number, since it is larger than the sum of its proper divisors (23062621).

65420604371 is a wasteful number, since it uses less digits than its factorization.

65420604371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23062620.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 65420604371 in words is "sixty-five billion, four hundred twenty million, six hundred four thousand, three hundred seventy-one".