44212543631 has 2 divisors, whose sum is σ = 44212543632. Its totient is φ = 44212543630.

The previous prime is 44212543579. The next prime is 44212543633. The reversal of 44212543631 is 13634521244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44212543631 - 2²² = 44208349327 is a prime.

It is a super-2 number, since 2×44212543631² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 44212543633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44212543591 and 44212543600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44212543633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106271815 + 22106271816.

It is an arithmetic number, because the mean of its divisors is an integer number (22106271816).

Almost surely, 2^44212543631 is an apocalyptic number.

44212543631 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212543631 is an equidigital number, since it uses as much as digits as its factorization.

44212543631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 35.

The spelling of 44212543631 in words is "forty-four billion, two hundred twelve million, five hundred forty-three thousand, six hundred thirty-one".