64968056433 has 48 divisors (see below), whose sum is σ = 107970460416. Its totient is φ = 36875675520.

The previous prime is 64968056407. The next prime is 64968056437. The reversal of 64968056433 is 33465086946.

64968056433 is a `hidden beast` number, since 6 + 49 + 6 + 8 + 0 + 564 + 33 = 666.

It is not a de Polignac number, because 64968056433 - 2²² = 64963862129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64968056433.

It is not an unprimeable number, because it can be changed into a prime (64968056437) 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 47 ways as a sum of consecutive naturals, for example, 5735091 + ... + 5746407.

It is an arithmetic number, because the mean of its divisors is an integer number (2249384592).

Almost surely, 2^64968056433 is an apocalyptic number.

64968056433 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

64968056433 is a deficient number, since it is larger than the sum of its proper divisors (43002403983).

64968056433 is a wasteful number, since it uses less digits than its factorization.

64968056433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11934 (or 11931 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 64968056433 in words is "sixty-four billion, nine hundred sixty-eight million, fifty-six thousand, four hundred thirty-three".