45881106309 has 6 divisors (see below), whose sum is σ = 66272709126. Its totient is φ = 30587404200.

The previous prime is 45881106301. The next prime is 45881106347. The reversal of 45881106309 is 90360118854.

45881106309 is a `hidden beast` number, since 4 + 5 + 8 + 8 + 1 + 1 + 0 + 630 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30789720900 + 15091385409 = 175470^2 + 122847^2 .

It is not a de Polignac number, because 45881106309 - 2³ = 45881106301 is a prime.

It is a super-2 number, since 2×45881106309² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45881106301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2548950342 + ... + 2548950359.

It is an arithmetic number, because the mean of its divisors is an integer number (11045451521).

Almost surely, 2^45881106309 is an apocalyptic number.

It is an amenable number.

45881106309 is a deficient number, since it is larger than the sum of its proper divisors (20391602817).

45881106309 is a wasteful number, since it uses less digits than its factorization.

45881106309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097900707 (or 5097900704 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 45881106309 in words is "forty-five billion, eight hundred eighty-one million, one hundred six thousand, three hundred nine".