45721604444799 has 16 divisors (see below), whose sum is σ = 61229161723520. Its totient is φ = 30347561930400.

The previous prime is 45721604444773. The next prime is 45721604444801. The reversal of 45721604444799 is 99744440612754.

It is not a de Polignac number, because 45721604444799 - 2⁷ = 45721604444671 is a prime.

It is a super-2 number, since 2×45721604444799² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45721604444099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56777124 + ... + 57576774.

It is an arithmetic number, because the mean of its divisors is an integer number (3826822607720).

Almost surely, 2^{45721604444799} is an apocalyptic number.

45721604444799 is a deficient number, since it is larger than the sum of its proper divisors (15507557278721).

45721604444799 is a wasteful number, since it uses less digits than its factorization.

45721604444799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883110.

The product of its (nonzero) digits is 243855360, while the sum is 66.

The spelling of 45721604444799 in words is "forty-five trillion, seven hundred twenty-one billion, six hundred four million, four hundred forty-four thousand, seven hundred ninety-nine".