64146037325 has 6 divisors (see below), whose sum is σ = 79541086314. Its totient is φ = 51316829840.

The previous prime is 64146037297. The next prime is 64146037357. The reversal of 64146037325 is 52373064146.

It can be written as a sum of positive squares in 3 ways, for example, as 20794216804 + 43351820521 = 144202^2 + 208211^2 .

It is not a de Polignac number, because 64146037325 - 2²⁰ = 64144988749 is a prime.

It is a super-2 number, since 2×64146037325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1282920722 + ... + 1282920771.

It is an arithmetic number, because the mean of its divisors is an integer number (13256847719).

Almost surely, 2^64146037325 is an apocalyptic number.

It is an amenable number.

64146037325 is a deficient number, since it is larger than the sum of its proper divisors (15395048989).

64146037325 is a wasteful number, since it uses less digits than its factorization.

64146037325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565841503 (or 2565841498 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 64146037325 in words is "sixty-four billion, one hundred forty-six million, thirty-seven thousand, three hundred twenty-five".