445401012765601 has 2 divisors, whose sum is σ = 445401012765602. Its totient is φ = 445401012765600.

The previous prime is 445401012765563. The next prime is 445401012765613. The reversal of 445401012765601 is 106567210104544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445130836319376 + 270176446225 = 21098124^2 + 519785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445401012765601 is a prime.

It is not a weakly prime, because it can be changed into another prime (445401012765641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222700506382800 + 222700506382801.

It is an arithmetic number, because the mean of its divisors is an integer number (222700506382801).

Almost surely, 2^{445401012765601} is an apocalyptic number.

It is an amenable number.

445401012765601 is a deficient number, since it is larger than the sum of its proper divisors (1).

445401012765601 is an equidigital number, since it uses as much as digits as its factorization.

445401012765601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 445401012765601 in words is "four hundred forty-five trillion, four hundred one billion, twelve million, seven hundred sixty-five thousand, six hundred one".