44474462621 has 2 divisors, whose sum is σ = 44474462622. Its totient is φ = 44474462620.

The previous prime is 44474462533. The next prime is 44474462677. The reversal of 44474462621 is 12626447444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39925634596 + 4548828025 = 199814^2 + 67445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44474462621 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44474464621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22237231310 + 22237231311.

It is an arithmetic number, because the mean of its divisors is an integer number (22237231311).

Almost surely, 2^44474462621 is an apocalyptic number.

It is an amenable number.

44474462621 is a deficient number, since it is larger than the sum of its proper divisors (1).

44474462621 is an equidigital number, since it uses as much as digits as its factorization.

44474462621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 44.

The spelling of 44474462621 in words is "forty-four billion, four hundred seventy-four million, four hundred sixty-two thousand, six hundred twenty-one".