45216566519 has 2 divisors, whose sum is σ = 45216566520. Its totient is φ = 45216566518.

The previous prime is 45216566503. The next prime is 45216566569. The reversal of 45216566519 is 91566561254.

It is an a-pointer prime, because the next prime (45216566569) can be obtained adding 45216566519 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45216566519 - 2⁴ = 45216566503 is a prime.

It is a super-2 number, since 2×45216566519² (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 (45216566569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608283259 + 22608283260.

It is an arithmetic number, because the mean of its divisors is an integer number (22608283260).

Almost surely, 2^45216566519 is an apocalyptic number.

45216566519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216566519 is an equidigital number, since it uses as much as digits as its factorization.

45216566519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 50.

The spelling of 45216566519 in words is "forty-five billion, two hundred sixteen million, five hundred sixty-six thousand, five hundred nineteen".