64461542374 has 16 divisors (see below), whose sum is σ = 100068235920. Its totient is φ = 31106390560.

The previous prime is 64461542329. The next prime is 64461542407. The reversal of 64461542374 is 47324516446.

It is a super-3 number, since 3×64461542374³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90649 + ... + 370324.

It is an arithmetic number, because the mean of its divisors is an integer number (6254264745).

Almost surely, 2^64461542374 is an apocalyptic number.

64461542374 is a deficient number, since it is larger than the sum of its proper divisors (35606693546).

64461542374 is a wasteful number, since it uses less digits than its factorization.

64461542374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463415.

The product of its digits is 1935360, while the sum is 46.

The spelling of 64461542374 in words is "sixty-four billion, four hundred sixty-one million, five hundred forty-two thousand, three hundred seventy-four".