45418511021 has 8 divisors (see below), whose sum is σ = 49285620384. Its totient is φ = 41604741360.

The previous prime is 45418511011. The next prime is 45418511027. The reversal of 45418511021 is 12011581454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-45418511021 is a prime.

It is a super-2 number, since 2×45418511021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45418511027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13333151 + ... + 13336556.

It is an arithmetic number, because the mean of its divisors is an integer number (6160702548).

Almost surely, 2^45418511021 is an apocalyptic number.

It is an amenable number.

45418511021 is a deficient number, since it is larger than the sum of its proper divisors (3867109363).

45418511021 is a wasteful number, since it uses less digits than its factorization.

45418511021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26669851.

The product of its (nonzero) digits is 6400, while the sum is 32.

The spelling of 45418511021 in words is "forty-five billion, four hundred eighteen million, five hundred eleven thousand, twenty-one".