64132844831 has 24 divisors (see below), whose sum is σ = 71150324784. Its totient is φ = 57760560000.

The previous prime is 64132844821. The next prime is 64132844843. The reversal of 64132844831 is 13844823146.

It is a happy number.

It is not a de Polignac number, because 64132844831 - 2²⁶ = 64065735967 is a prime.

It is a super-2 number, since 2×64132844831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64132844821) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 10474451 + ... + 10480571.

It is an arithmetic number, because the mean of its divisors is an integer number (2964596866).

Almost surely, 2^64132844831 is an apocalyptic number.

64132844831 is a deficient number, since it is larger than the sum of its proper divisors (7017479953).

64132844831 is a wasteful number, since it uses less digits than its factorization.

64132844831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935 (or 6924 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The spelling of 64132844831 in words is "sixty-four billion, one hundred thirty-two million, eight hundred forty-four thousand, eight hundred thirty-one".