44487344011691 has 16 divisors (see below), whose sum is σ = 54366428905920. Its totient is φ = 35533613644800.

The previous prime is 44487344011667. The next prime is 44487344011729. The reversal of 44487344011691 is 19611044378444.

It is a cyclic number.

It is not a de Polignac number, because 44487344011691 - 2²² = 44487339817387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44487344011651) 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, 1850697026 + ... + 1850721063.

It is an arithmetic number, because the mean of its divisors is an integer number (3397901806620).

Almost surely, 2^{44487344011691} is an apocalyptic number.

44487344011691 is a deficient number, since it is larger than the sum of its proper divisors (9879084894229).

44487344011691 is a wasteful number, since it uses less digits than its factorization.

44487344011691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701418214.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 44487344011691 in words is "forty-four trillion, four hundred eighty-seven billion, three hundred forty-four million, eleven thousand, six hundred ninety-one".