45216129877 has 2 divisors, whose sum is σ = 45216129878. Its totient is φ = 45216129876.

The previous prime is 45216129859. The next prime is 45216129887. The reversal of 45216129877 is 77892161254.

45216129877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44695879396 + 520250481 = 211414^2 + 22809^2 .

It is a cyclic number.

It is not a de Polignac number, because 45216129877 - 2¹¹ = 45216127829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45216129817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608064938 + 22608064939.

It is an arithmetic number, because the mean of its divisors is an integer number (22608064939).

Almost surely, 2^45216129877 is an apocalyptic number.

It is an amenable number.

45216129877 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216129877 is an equidigital number, since it uses as much as digits as its factorization.

45216129877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The spelling of 45216129877 in words is "forty-five billion, two hundred sixteen million, one hundred twenty-nine thousand, eight hundred seventy-seven".