64133400147 has 16 divisors (see below), whose sum is σ = 90042466560. Its totient is φ = 40491500832.

The previous prime is 64133400139. The next prime is 64133400157. The reversal of 64133400147 is 74100433146.

It is not a de Polignac number, because 64133400147 - 2³ = 64133400139 is a prime.

It is a super-2 number, since 2×64133400147² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64133400127) 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, 21703 + ... + 358800.

It is an arithmetic number, because the mean of its divisors is an integer number (5627654160).

Almost surely, 2^64133400147 is an apocalyptic number.

64133400147 is a deficient number, since it is larger than the sum of its proper divisors (25909066413).

64133400147 is a wasteful number, since it uses less digits than its factorization.

64133400147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383482.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 64133400147 in words is "sixty-four billion, one hundred thirty-three million, four hundred thousand, one hundred forty-seven".