45348526021 has 2 divisors, whose sum is σ = 45348526022. Its totient is φ = 45348526020.

The previous prime is 45348525991. The next prime is 45348526039. The reversal of 45348526021 is 12062584354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40385323521 + 4963202500 = 200961^2 + 70450^2 .

It is a cyclic number.

It is not a de Polignac number, because 45348526021 - 2³⁵ = 10988787653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45348526061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22674263010 + 22674263011.

It is an arithmetic number, because the mean of its divisors is an integer number (22674263011).

Almost surely, 2^45348526021 is an apocalyptic number.

It is an amenable number.

45348526021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45348526021 is an equidigital number, since it uses as much as digits as its factorization.

45348526021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 45348526021 in words is "forty-five billion, three hundred forty-eight million, five hundred twenty-six thousand, twenty-one".