45139030919 has 2 divisors, whose sum is σ = 45139030920. Its totient is φ = 45139030918.

The previous prime is 45139030883. The next prime is 45139030931. The reversal of 45139030919 is 91903093154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45139030919 - 2⁸ = 45139030663 is a prime.

It is a super-2 number, since 2×45139030919² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45139030919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45139030019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22569515459 + 22569515460.

It is an arithmetic number, because the mean of its divisors is an integer number (22569515460).

Almost surely, 2^45139030919 is an apocalyptic number.

45139030919 is a deficient number, since it is larger than the sum of its proper divisors (1).

45139030919 is an equidigital number, since it uses as much as digits as its factorization.

45139030919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 45139030919 in words is "forty-five billion, one hundred thirty-nine million, thirty thousand, nine hundred nineteen".