664013513535435 has 64 divisors (see below), whose sum is σ = 1349567744716800. Its totient is φ = 303445326957696.

The previous prime is 664013513535409. The next prime is 664013513535467. The reversal of 664013513535435 is 534535315310466.

664013513535435 is a `hidden beast` number, since 6 + 6 + 4 + 0 + 1 + 35 + 13 + 53 + 543 + 5 = 666.

It is not a de Polignac number, because 664013513535435 - 2¹⁵ = 664013513502667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117264700 + ... + 122796729.

It is an arithmetic number, because the mean of its divisors is an integer number (21086996011200).

Almost surely, 2^{664013513535435} is an apocalyptic number.

664013513535435 is an abundant number, since it is smaller than the sum of its proper divisors (685554231181365).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

664013513535435 is a wasteful number, since it uses less digits than its factorization.

664013513535435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240064377 (or 240064371 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 664013513535435 in words is "six hundred sixty-four trillion, thirteen billion, five hundred thirteen million, five hundred thirty-five thousand, four hundred thirty-five".