749999250064 has 80 divisors (see below), whose sum is σ = 1486110240000. Its totient is φ = 366563563520.

The previous prime is 749999250029. The next prime is 749999250139. The reversal of 749999250064 is 460052999947.

749999250064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 749999249978 and 749999250005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185228712 + ... + 185232760.

It is an arithmetic number, because the mean of its divisors is an integer number (18576378000).

Almost surely, 2^749999250064 is an apocalyptic number.

It is an amenable number.

749999250064 is a deficient number, since it is larger than the sum of its proper divisors (736110989936).

749999250064 is a wasteful number, since it uses less digits than its factorization.

749999250064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 749999250064 in words is "seven hundred forty-nine billion, nine hundred ninety-nine million, two hundred fifty thousand, sixty-four".