45914181881 has 2 divisors, whose sum is σ = 45914181882. Its totient is φ = 45914181880.

The previous prime is 45914181877. The next prime is 45914181913. The reversal of 45914181881 is 18818141954.

45914181881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33090884281 + 12823297600 = 181909^2 + 113240^2 .

It is a cyclic number.

It is not a de Polignac number, because 45914181881 - 2² = 45914181877 is a prime.

It is a super-2 number, since 2×45914181881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45914181851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22957090940 + 22957090941.

It is an arithmetic number, because the mean of its divisors is an integer number (22957090941).

Almost surely, 2^45914181881 is an apocalyptic number.

It is an amenable number.

45914181881 is a deficient number, since it is larger than the sum of its proper divisors (1).

45914181881 is an equidigital number, since it uses as much as digits as its factorization.

45914181881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 50.

The spelling of 45914181881 in words is "forty-five billion, nine hundred fourteen million, one hundred eighty-one thousand, eight hundred eighty-one".