45117464837 has 2 divisors, whose sum is σ = 45117464838. Its totient is φ = 45117464836.

The previous prime is 45117464807. The next prime is 45117464839. The reversal of 45117464837 is 73846471154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44777099236 + 340365601 = 211606^2 + 18449^2 .

It is a cyclic number.

It is not a de Polignac number, because 45117464837 - 2¹⁸ = 45117202693 is a prime.

Together with 45117464839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45117464839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22558732418 + 22558732419.

It is an arithmetic number, because the mean of its divisors is an integer number (22558732419).

Almost surely, 2^45117464837 is an apocalyptic number.

It is an amenable number.

45117464837 is a deficient number, since it is larger than the sum of its proper divisors (1).

45117464837 is an equidigital number, since it uses as much as digits as its factorization.

45117464837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 50.

The spelling of 45117464837 in words is "forty-five billion, one hundred seventeen million, four hundred sixty-four thousand, eight hundred thirty-seven".