44433690657 has 4 divisors (see below), whose sum is σ = 59244920880. Its totient is φ = 29622460436.

The previous prime is 44433690647. The next prime is 44433690667. The reversal of 44433690657 is 75609633444.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (44433690647) and next prime (44433690667).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44433690657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44433690647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405615107 + ... + 7405615112.

It is an arithmetic number, because the mean of its divisors is an integer number (14811230220).

Almost surely, 2^44433690657 is an apocalyptic number.

It is an amenable number.

44433690657 is a deficient number, since it is larger than the sum of its proper divisors (14811230223).

44433690657 is a wasteful number, since it uses less digits than its factorization.

44433690657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14811230222.

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 44433690657 in words is "forty-four billion, four hundred thirty-three million, six hundred ninety thousand, six hundred fifty-seven".