44497538197 has 8 divisors (see below), whose sum is σ = 50998395456. Its totient is φ = 38032697472.

The previous prime is 44497538191. The next prime is 44497538219. The reversal of 44497538197 is 79183579444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44497538197 - 2²³ = 44489149589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44497538191) 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, 9001483 + ... + 9006424.

It is an arithmetic number, because the mean of its divisors is an integer number (6374799432).

Almost surely, 2^44497538197 is an apocalyptic number.

It is an amenable number.

44497538197 is a deficient number, since it is larger than the sum of its proper divisors (6500857259).

44497538197 is a wasteful number, since it uses less digits than its factorization.

44497538197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18008267.

The product of its digits is 30481920, while the sum is 61.

The spelling of 44497538197 in words is "forty-four billion, four hundred ninety-seven million, five hundred thirty-eight thousand, one hundred ninety-seven".