44904890473 has 4 divisors (see below), whose sum is σ = 44909360260. Its totient is φ = 44900420688.

The previous prime is 44904890467. The next prime is 44904890477. The reversal of 44904890473 is 37409840944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16886482704 + 28018407769 = 129948^2 + 167387^2 .

It is a cyclic number.

It is not a de Polignac number, because 44904890473 - 2⁹ = 44904889961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44904890473.

It is not an unprimeable number, because it can be changed into a prime (44904890477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219790 + ... + 2239927.

It is an arithmetic number, because the mean of its divisors is an integer number (11227340065).

Almost surely, 2^44904890473 is an apocalyptic number.

It is an amenable number.

44904890473 is a deficient number, since it is larger than the sum of its proper divisors (4469787).

44904890473 is a wasteful number, since it uses less digits than its factorization.

44904890473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469786.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 44904890473 in words is "forty-four billion, nine hundred four million, eight hundred ninety thousand, four hundred seventy-three".