64465634722750 has 64 divisors (see below), whose sum is σ = 122808418754112. Its totient is φ = 25334825616000.

The previous prime is 64465634722673. The next prime is 64465634722781. The reversal of 64465634722750 is 5722743656446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4826509 + ... + 12338008.

It is an arithmetic number, because the mean of its divisors is an integer number (1918881543033).

Almost surely, 2^{64465634722750} is an apocalyptic number.

64465634722750 is a deficient number, since it is larger than the sum of its proper divisors (58342784031362).

64465634722750 is a wasteful number, since it uses less digits than its factorization.

64465634722750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17164798 (or 17164788 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 61.

The spelling of 64465634722750 in words is "sixty-four trillion, four hundred sixty-five billion, six hundred thirty-four million, seven hundred twenty-two thousand, seven hundred fifty".