64025033331 has 16 divisors (see below), whose sum is σ = 97565554944. Its totient is φ = 36584383584.

The previous prime is 64025033329. The next prime is 64025033351. The reversal of 64025033331 is 13333052046.

It is not a de Polignac number, because 64025033331 - 2¹ = 64025033329 is a prime.

It is a super-2 number, since 2×64025033331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64025033351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923236 + ... + 990158.

It is an arithmetic number, because the mean of its divisors is an integer number (6097847184).

Almost surely, 2^64025033331 is an apocalyptic number.

64025033331 is a deficient number, since it is larger than the sum of its proper divisors (33540521613).

64025033331 is a wasteful number, since it uses less digits than its factorization.

64025033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112490.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 64025033331 its reverse (13333052046), we get a palindrome (77358085377).

The spelling of 64025033331 in words is "sixty-four billion, twenty-five million, thirty-three thousand, three hundred thirty-one".