445037644788473 has 32 divisors (see below), whose sum is σ = 497403852865920. Its totient is φ = 394764537024000.

The previous prime is 445037644788449. The next prime is 445037644788511. The reversal of 445037644788473 is 374887446730544.

It is a de Polignac number, because none of the positive numbers 2^k-445037644788473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445037644788473.

It is not an unprimeable number, because it can be changed into a prime (445037644788073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238954211 + ... + 240809447.

It is an arithmetic number, because the mean of its divisors is an integer number (15543870402060).

Almost surely, 2^{445037644788473} is an apocalyptic number.

It is an amenable number.

445037644788473 is a deficient number, since it is larger than the sum of its proper divisors (52366208077447).

445037644788473 is a wasteful number, since it uses less digits than its factorization.

445037644788473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858169.

The product of its (nonzero) digits is 6069288960, while the sum is 74.

The spelling of 445037644788473 in words is "four hundred forty-five trillion, thirty-seven billion, six hundred forty-four million, seven hundred eighty-eight thousand, four hundred seventy-three".