44631355313669 has 2 divisors, whose sum is σ = 44631355313670. Its totient is φ = 44631355313668.

The previous prime is 44631355313641. The next prime is 44631355313719. The reversal of 44631355313669 is 96631355313644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40249190850625 + 4382164463044 = 6344225^2 + 2093362^2 .

It is a cyclic number.

It is not a de Polignac number, because 44631355313669 - 2²⁰ = 44631354265093 is a prime.

It is a super-2 number, since 2×44631355313669² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44631355313639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22315677656834 + 22315677656835.

It is an arithmetic number, because the mean of its divisors is an integer number (22315677656835).

Almost surely, 2^{44631355313669} is an apocalyptic number.

It is an amenable number.

44631355313669 is a deficient number, since it is larger than the sum of its proper divisors (1).

44631355313669 is an equidigital number, since it uses as much as digits as its factorization.

44631355313669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62985600, while the sum is 59.

The spelling of 44631355313669 in words is "forty-four trillion, six hundred thirty-one billion, three hundred fifty-five million, three hundred thirteen thousand, six hundred sixty-nine".