44712872917 has 2 divisors, whose sum is σ = 44712872918. Its totient is φ = 44712872916.

The previous prime is 44712872861. The next prime is 44712872947. The reversal of 44712872917 is 71927821744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25168553316 + 19544319601 = 158646^2 + 139801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44712872917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44712872947) 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, 22356436458 + 22356436459.

It is an arithmetic number, because the mean of its divisors is an integer number (22356436459).

Almost surely, 2^44712872917 is an apocalyptic number.

It is an amenable number.

44712872917 is a deficient number, since it is larger than the sum of its proper divisors (1).

44712872917 is an equidigital number, since it uses as much as digits as its factorization.

44712872917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 52.

The spelling of 44712872917 in words is "forty-four billion, seven hundred twelve million, eight hundred seventy-two thousand, nine hundred seventeen".