44864688197 has 4 divisors (see below), whose sum is σ = 51273929376. Its totient is φ = 38455447020.

The previous prime is 44864688179. The next prime is 44864688229. The reversal of 44864688197 is 79188646844.

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 a cyclic number.

It is not a de Polignac number, because 44864688197 - 2⁸ = 44864687941 is a prime.

It is a super-2 number, since 2×44864688197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44864688107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3204620579 + ... + 3204620592.

It is an arithmetic number, because the mean of its divisors is an integer number (12818482344).

Almost surely, 2^44864688197 is an apocalyptic number.

It is an amenable number.

44864688197 is a deficient number, since it is larger than the sum of its proper divisors (6409241179).

44864688197 is an equidigital number, since it uses as much as digits as its factorization.

44864688197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409241178.

The product of its digits is 74317824, while the sum is 65.

The spelling of 44864688197 in words is "forty-four billion, eight hundred sixty-four million, six hundred eighty-eight thousand, one hundred ninety-seven".