64635052051235 has 8 divisors (see below), whose sum is σ = 77610508481376. Its totient is φ = 51675744294400.

The previous prime is 64635052051147. The next prime is 64635052051267. The reversal of 64635052051235 is 53215025053646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64635052051235 - 2²⁰ = 64635051002659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64635052051235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4037159519 + ... + 4037175528.

It is an arithmetic number, because the mean of its divisors is an integer number (9701313560172).

Almost surely, 2^{64635052051235} is an apocalyptic number.

64635052051235 is a deficient number, since it is larger than the sum of its proper divisors (12975456430141).

64635052051235 is a wasteful number, since it uses less digits than its factorization.

64635052051235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074336653.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 64635052051235 in words is "sixty-four trillion, six hundred thirty-five billion, fifty-two million, fifty-one thousand, two hundred thirty-five".