64033394625 has 96 divisors (see below), whose sum is σ = 119790747648. Its totient is φ = 32873040000.

The previous prime is 64033394497. The next prime is 64033394627. The reversal of 64033394625 is 52649333046.

It is not a de Polignac number, because 64033394625 - 2⁷ = 64033394497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (64033394627) 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 95 ways as a sum of consecutive naturals, for example, 6656319 + ... + 6665931.

It is an arithmetic number, because the mean of its divisors is an integer number (1247820288).

Almost surely, 2^64033394625 is an apocalyptic number.

It is an amenable number.

64033394625 is a deficient number, since it is larger than the sum of its proper divisors (55757353023).

64033394625 is a wasteful number, since it uses less digits than its factorization.

64033394625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856 (or 9843 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 64033394625 in words is "sixty-four billion, thirty-three million, three hundred ninety-four thousand, six hundred twenty-five".