45844989613 has 2 divisors, whose sum is σ = 45844989614. Its totient is φ = 45844989612.

The previous prime is 45844989583. The next prime is 45844989703. The reversal of 45844989613 is 31698944854.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43663445764 + 2181543849 = 208958^2 + 46707^2 .

It is a cyclic number.

It is not a de Polignac number, because 45844989613 - 2²⁵ = 45811435181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45844989013) 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, 22922494806 + 22922494807.

It is an arithmetic number, because the mean of its divisors is an integer number (22922494807).

Almost surely, 2^45844989613 is an apocalyptic number.

It is an amenable number.

45844989613 is a deficient number, since it is larger than the sum of its proper divisors (1).

45844989613 is an equidigital number, since it uses as much as digits as its factorization.

45844989613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29859840, while the sum is 61.

The spelling of 45844989613 in words is "forty-five billion, eight hundred forty-four million, nine hundred eighty-nine thousand, six hundred thirteen".