45216194879 has 2 divisors, whose sum is σ = 45216194880. Its totient is φ = 45216194878.

The previous prime is 45216194869. The next prime is 45216194887. The reversal of 45216194879 is 97849161254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45216194879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45216194869) 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, 22608097439 + 22608097440.

It is an arithmetic number, because the mean of its divisors is an integer number (22608097440).

Almost surely, 2^45216194879 is an apocalyptic number.

45216194879 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216194879 is an equidigital number, since it uses as much as digits as its factorization.

45216194879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 45216194879 in words is "forty-five billion, two hundred sixteen million, one hundred ninety-four thousand, eight hundred seventy-nine".