45842197913 has 2 divisors, whose sum is σ = 45842197914. Its totient is φ = 45842197912.

The previous prime is 45842197879. The next prime is 45842197931. The reversal of 45842197913 is 31979124854.

45842197913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (45842197931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31381413904 + 14460784009 = 177148^2 + 120253^2 .

It is a cyclic number.

It is not a de Polignac number, because 45842197913 - 2²² = 45838003609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45842197993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22921098956 + 22921098957.

It is an arithmetic number, because the mean of its divisors is an integer number (22921098957).

Almost surely, 2^45842197913 is an apocalyptic number.

It is an amenable number.

45842197913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45842197913 is an equidigital number, since it uses as much as digits as its factorization.

45842197913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The spelling of 45842197913 in words is "forty-five billion, eight hundred forty-two million, one hundred ninety-seven thousand, nine hundred thirteen".