45914181913 has 2 divisors, whose sum is σ = 45914181914. Its totient is φ = 45914181912.

The previous prime is 45914181881. The next prime is 45914181931. The reversal of 45914181913 is 31918141954.

Together with next prime (45914181931) 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., 40075235344 + 5838946569 = 200188^2 + 76413^2 .

It is a cyclic number.

It is not a de Polignac number, because 45914181913 - 2⁵ = 45914181881 is a prime.

It is a super-2 number, since 2×45914181913² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45914181953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22957090956 + 22957090957.

It is an arithmetic number, because the mean of its divisors is an integer number (22957090957).

Almost surely, 2^45914181913 is an apocalyptic number.

It is an amenable number.

45914181913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45914181913 is an equidigital number, since it uses as much as digits as its factorization.

45914181913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 46.

The spelling of 45914181913 in words is "forty-five billion, nine hundred fourteen million, one hundred eighty-one thousand, nine hundred thirteen".