70664321535 has 64 divisors (see below), whose sum is σ = 116077363200. Its totient is φ = 36696716928.

The previous prime is 70664321531. The next prime is 70664321537. The reversal of 70664321535 is 53512346607.

It is not a de Polignac number, because 70664321535 - 2² = 70664321531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70664321531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55249026 + ... + 55250304.

It is an arithmetic number, because the mean of its divisors is an integer number (1813708800).

Almost surely, 2^70664321535 is an apocalyptic number.

70664321535 is a deficient number, since it is larger than the sum of its proper divisors (45413041665).

70664321535 is a wasteful number, since it uses less digits than its factorization.

70664321535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 70664321535 in words is "seventy billion, six hundred sixty-four million, three hundred twenty-one thousand, five hundred thirty-five".