45389899221 has 16 divisors (see below), whose sum is σ = 62609248704. Its totient is φ = 29227181184.

The previous prime is 45389899211. The next prime is 45389899223. The reversal of 45389899221 is 12299898354.

It is not a de Polignac number, because 45389899221 - 2¹⁵ = 45389866453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45389899223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477195 + ... + 1507608.

It is an arithmetic number, because the mean of its divisors is an integer number (3913078044).

Almost surely, 2^45389899221 is an apocalyptic number.

It is an amenable number.

45389899221 is a deficient number, since it is larger than the sum of its proper divisors (17219349483).

45389899221 is a wasteful number, since it uses less digits than its factorization.

45389899221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984980.

The product of its digits is 11197440, while the sum is 60.

The spelling of 45389899221 in words is "forty-five billion, three hundred eighty-nine million, eight hundred ninety-nine thousand, two hundred twenty-one".