64433824942 has 16 divisors (see below), whose sum is σ = 99776686464. Its totient is φ = 31175100000.

The previous prime is 64433824913. The next prime is 64433824943. The reversal of 64433824942 is 24942833446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64433824943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878692 + ... + 949192.

It is an arithmetic number, because the mean of its divisors is an integer number (6236042904).

Almost surely, 2^64433824942 is an apocalyptic number.

64433824942 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64433824942 is a deficient number, since it is larger than the sum of its proper divisors (35342861522).

64433824942 is a wasteful number, since it uses less digits than its factorization.

64433824942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85275.

The product of its digits is 3981312, while the sum is 49.

The spelling of 64433824942 in words is "sixty-four billion, four hundred thirty-three million, eight hundred twenty-four thousand, nine hundred forty-two".