445367265817 has 2 divisors, whose sum is σ = 445367265818. Its totient is φ = 445367265816.

The previous prime is 445367265661. The next prime is 445367265829. The reversal of 445367265817 is 718562763544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321240701961 + 124126563856 = 566781^2 + 352316^2 .

It is a cyclic number.

It is not a de Polignac number, because 445367265817 - 2³¹ = 443219782169 is a prime.

It is a super-2 number, since 2×445367265817² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445367265857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222683632908 + 222683632909.

It is an arithmetic number, because the mean of its divisors is an integer number (222683632909).

Almost surely, 2^445367265817 is an apocalyptic number.

It is an amenable number.

445367265817 is a deficient number, since it is larger than the sum of its proper divisors (1).

445367265817 is an equidigital number, since it uses as much as digits as its factorization.

445367265817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 58.

The spelling of 445367265817 in words is "four hundred forty-five billion, three hundred sixty-seven million, two hundred sixty-five thousand, eight hundred seventeen".