445976874253 has 2 divisors, whose sum is σ = 445976874254. Its totient is φ = 445976874252.

The previous prime is 445976874199. The next prime is 445976874271. The reversal of 445976874253 is 352478679544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423128133289 + 22848740964 = 650483^2 + 151158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445976874253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445976874293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222988437126 + 222988437127.

It is an arithmetic number, because the mean of its divisors is an integer number (222988437127).

Almost surely, 2^445976874253 is an apocalyptic number.

It is an amenable number.

445976874253 is a deficient number, since it is larger than the sum of its proper divisors (1).

445976874253 is an equidigital number, since it uses as much as digits as its factorization.

445976874253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 203212800, while the sum is 64.

The spelling of 445976874253 in words is "four hundred forty-five billion, nine hundred seventy-six million, eight hundred seventy-four thousand, two hundred fifty-three".