45502862621 has 2 divisors, whose sum is σ = 45502862622. Its totient is φ = 45502862620.

The previous prime is 45502862549. The next prime is 45502862627. The reversal of 45502862621 is 12626820554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45502862596 + 25 = 213314^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 45502862621 - 2²⁶ = 45435753757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45502862627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22751431310 + 22751431311.

It is an arithmetic number, because the mean of its divisors is an integer number (22751431311).

Almost surely, 2^45502862621 is an apocalyptic number.

It is an amenable number.

45502862621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45502862621 is an equidigital number, since it uses as much as digits as its factorization.

45502862621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 45502862621 in words is "forty-five billion, five hundred two million, eight hundred sixty-two thousand, six hundred twenty-one".