64513452435 has 16 divisors (see below), whose sum is σ = 108654236160. Its totient is φ = 32596270560.

The previous prime is 64513452433. The next prime is 64513452527. The reversal of 64513452435 is 53425431546.

It is not a de Polignac number, because 64513452435 - 2¹ = 64513452433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64513452433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113181211 + ... + 113181780.

It is an arithmetic number, because the mean of its divisors is an integer number (6790889760).

Almost surely, 2^64513452435 is an apocalyptic number.

64513452435 is a deficient number, since it is larger than the sum of its proper divisors (44140783725).

64513452435 is a wasteful number, since it uses less digits than its factorization.

64513452435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226363018.

The product of its digits is 864000, while the sum is 42.

The spelling of 64513452435 in words is "sixty-four billion, five hundred thirteen million, four hundred fifty-two thousand, four hundred thirty-five".