445456195379089 has 2 divisors, whose sum is σ = 445456195379090. Its totient is φ = 445456195379088.

The previous prime is 445456195379011. The next prime is 445456195379131. The reversal of 445456195379089 is 980973591654544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427307811530625 + 18148383848464 = 20671425^2 + 4260092^2 .

It is a cyclic number.

It is not a de Polignac number, because 445456195379089 - 2²¹ = 445456193281937 is a prime.

It is a super-2 number, since 2×445456195379089² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445456195379989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222728097689544 + 222728097689545.

It is an arithmetic number, because the mean of its divisors is an integer number (222728097689545).

Almost surely, 2^{445456195379089} is an apocalyptic number.

It is an amenable number.

445456195379089 is a deficient number, since it is larger than the sum of its proper divisors (1).

445456195379089 is an equidigital number, since it uses as much as digits as its factorization.

445456195379089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656000, while the sum is 79.

The spelling of 445456195379089 in words is "four hundred forty-five trillion, four hundred fifty-six billion, one hundred ninety-five million, three hundred seventy-nine thousand, eighty-nine".