44747749184991 has 16 divisors (see below), whose sum is σ = 62455740807168. Its totient is φ = 28462902703200.

The previous prime is 44747749184939. The next prime is 44747749185019. The reversal of 44747749184991 is 19948194774744.

It is a happy number.

It is not a de Polignac number, because 44747749184991 - 2⁷ = 44747749184863 is a prime.

It is a super-2 number, since 2×44747749184991² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44747749184921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3388434196 + ... + 3388447401.

It is an arithmetic number, because the mean of its divisors is an integer number (3903483800448).

Almost surely, 2^{44747749184991} is an apocalyptic number.

44747749184991 is a deficient number, since it is larger than the sum of its proper divisors (17707991622177).

44747749184991 is a wasteful number, since it uses less digits than its factorization.

44747749184991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776881702.

The product of its digits is 2048385024, while the sum is 78.

The spelling of 44747749184991 in words is "forty-four trillion, seven hundred forty-seven billion, seven hundred forty-nine million, one hundred eighty-four thousand, nine hundred ninety-one".