44550947197 has 4 divisors (see below), whose sum is σ = 44558825440. Its totient is φ = 44543068956.

The previous prime is 44550947191. The next prime is 44550947267. The reversal of 44550947197 is 79174905544.

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 a de Polignac number, because none of the positive numbers 2^k-44550947197 is a prime.

It is a super-2 number, since 2×44550947197² (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 (44550947191) 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, 3930633 + ... + 3941950.

It is an arithmetic number, because the mean of its divisors is an integer number (11139706360).

Almost surely, 2^44550947197 is an apocalyptic number.

It is an amenable number.

44550947197 is a deficient number, since it is larger than the sum of its proper divisors (7878243).

44550947197 is an equidigital number, since it uses as much as digits as its factorization.

44550947197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7878242.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 44550947197 in words is "forty-four billion, five hundred fifty million, nine hundred forty-seven thousand, one hundred ninety-seven".