64461542375 has 16 divisors (see below), whose sum is σ = 80466519744. Its totient is φ = 51557365600.

The previous prime is 64461542329. The next prime is 64461542407. The reversal of 64461542375 is 57324516446.

64461542375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64461542375 - 2⁶ = 64461542311 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 507542 + ... + 621708.

It is an arithmetic number, because the mean of its divisors is an integer number (5029157484).

Almost surely, 2^64461542375 is an apocalyptic number.

64461542375 is a deficient number, since it is larger than the sum of its proper divisors (16004977369).

64461542375 is a wasteful number, since it uses less digits than its factorization.

64461542375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118699 (or 118689 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 47.

The spelling of 64461542375 in words is "sixty-four billion, four hundred sixty-one million, five hundred forty-two thousand, three hundred seventy-five".