65313500063 has 4 divisors (see below), whose sum is σ = 74644000080. Its totient is φ = 55983000048.

The previous prime is 65313500023. The next prime is 65313500089. The reversal of 65313500063 is 36000531356.

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 65313500063 - 2⁸ = 65313499807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65313500023) 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, 4665249998 + ... + 4665250011.

It is an arithmetic number, because the mean of its divisors is an integer number (18661000020).

Almost surely, 2^65313500063 is an apocalyptic number.

65313500063 is a deficient number, since it is larger than the sum of its proper divisors (9330500017).

65313500063 is an equidigital number, since it uses as much as digits as its factorization.

65313500063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330500016.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 65313500063 in words is "sixty-five billion, three hundred thirteen million, five hundred thousand, sixty-three".