45216194887 has 2 divisors, whose sum is σ = 45216194888. Its totient is φ = 45216194886.

The previous prime is 45216194879. The next prime is 45216194897. The reversal of 45216194887 is 78849161254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45216194887 - 2³ = 45216194879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45216194827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608097443 + 22608097444.

It is an arithmetic number, because the mean of its divisors is an integer number (22608097444).

Almost surely, 2^45216194887 is an apocalyptic number.

45216194887 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216194887 is an equidigital number, since it uses as much as digits as its factorization.

45216194887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 55.

The spelling of 45216194887 in words is "forty-five billion, two hundred sixteen million, one hundred ninety-four thousand, eight hundred eighty-seven".