44775493211957 has 2 divisors, whose sum is σ = 44775493211958. Its totient is φ = 44775493211956.

The previous prime is 44775493211923. The next prime is 44775493211971. The reversal of 44775493211957 is 75911239457744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41533887413041 + 3241605798916 = 6444679^2 + 1800446^2 .

It is a cyclic number.

It is not a de Polignac number, because 44775493211957 - 2²⁸ = 44775224776501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44775493211257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22387746605978 + 22387746605979.

It is an arithmetic number, because the mean of its divisors is an integer number (22387746605979).

Almost surely, 2^{44775493211957} is an apocalyptic number.

It is an amenable number.

44775493211957 is a deficient number, since it is larger than the sum of its proper divisors (1).

44775493211957 is an equidigital number, since it uses as much as digits as its factorization.

44775493211957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 266716800, while the sum is 68.

The spelling of 44775493211957 in words is "forty-four trillion, seven hundred seventy-five billion, four hundred ninety-three million, two hundred eleven thousand, nine hundred fifty-seven".