445738562253 has 28 divisors (see below), whose sum is σ = 686364385308. Its totient is φ = 289127698560.

The previous prime is 445738562237. The next prime is 445738562267. The reversal of 445738562253 is 352265837544.

445738562253 is a `hidden beast` number, since 4 + 4 + 5 + 7 + 3 + 8 + 5 + 622 + 5 + 3 = 666.

445738562253 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 374951702889 + 70786859364 = 612333^2 + 266058^2 .

It is not a de Polignac number, because 445738562253 - 2⁴ = 445738562237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445738562253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445738542253) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8235708 + ... + 8289653.

It is an arithmetic number, because the mean of its divisors is an integer number (24513013761).

Almost surely, 2^445738562253 is an apocalyptic number.

It is an amenable number.

445738562253 is a deficient number, since it is larger than the sum of its proper divisors (240625823055).

445738562253 is an equidigital number, since it uses as much as digits as its factorization.

445738562253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525416 (or 16525401 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 445738562253 in words is "four hundred forty-five billion, seven hundred thirty-eight million, five hundred sixty-two thousand, two hundred fifty-three".