45366828021 has 6 divisors (see below), whose sum is σ = 65529862710. Its totient is φ = 30244552008.

The previous prime is 45366828007. The next prime is 45366828037. The reversal of 45366828021 is 12082866354.

45366828021 is a `hidden beast` number, since 4 + 5 + 366 + 8 + 280 + 2 + 1 = 666.

45366828021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24986124900 + 20380703121 = 158070^2 + 142761^2 .

It is not a de Polignac number, because 45366828021 - 2¹³ = 45366819829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45366828061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2520379326 + ... + 2520379343.

It is an arithmetic number, because the mean of its divisors is an integer number (10921643785).

Almost surely, 2^45366828021 is an apocalyptic number.

It is an amenable number.

45366828021 is a deficient number, since it is larger than the sum of its proper divisors (20163034689).

45366828021 is a wasteful number, since it uses less digits than its factorization.

45366828021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040758675 (or 5040758672 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 45366828021 in words is "forty-five billion, three hundred sixty-six million, eight hundred twenty-eight thousand, twenty-one".