44861644231 has 2 divisors, whose sum is σ = 44861644232. Its totient is φ = 44861644230.

The previous prime is 44861644229. The next prime is 44861644241. The reversal of 44861644231 is 13244616844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44861644231 - 2¹ = 44861644229 is a prime.

It is a super-2 number, since 2×44861644231² (a number of 22 digits) contains 22 as substring.

Together with 44861644229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44861644241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22430822115 + 22430822116.

It is an arithmetic number, because the mean of its divisors is an integer number (22430822116).

Almost surely, 2^44861644231 is an apocalyptic number.

44861644231 is a deficient number, since it is larger than the sum of its proper divisors (1).

44861644231 is an equidigital number, since it uses as much as digits as its factorization.

44861644231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 43.

The spelling of 44861644231 in words is "forty-four billion, eight hundred sixty-one million, six hundred forty-four thousand, two hundred thirty-one".