45988828021 has 2 divisors, whose sum is σ = 45988828022. Its totient is φ = 45988828020.

The previous prime is 45988828007. The next prime is 45988828051. The reversal of 45988828021 is 12082888954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32800832100 + 13187995921 = 181110^2 + 114839^2 .

It is a cyclic number.

It is not a de Polignac number, because 45988828021 - 2⁹ = 45988827509 is a prime.

It is a super-2 number, since 2×45988828021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45988828051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22994414010 + 22994414011.

It is an arithmetic number, because the mean of its divisors is an integer number (22994414011).

Almost surely, 2^45988828021 is an apocalyptic number.

It is an amenable number.

45988828021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45988828021 is an equidigital number, since it uses as much as digits as its factorization.

45988828021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2949120, while the sum is 55.

The spelling of 45988828021 in words is "forty-five billion, nine hundred eighty-eight million, eight hundred twenty-eight thousand, twenty-one".