45509994436 has 6 divisors (see below), whose sum is σ = 79642490270. Its totient is φ = 22754997216.

The previous prime is 45509994389. The next prime is 45509994503. The reversal of 45509994436 is 63449990554.

It is a happy number.

45509994436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36722056900 + 8787937536 = 191630^2 + 93744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688749301 + ... + 5688749308.

Almost surely, 2^45509994436 is an apocalyptic number.

It is an amenable number.

45509994436 is a deficient number, since it is larger than the sum of its proper divisors (34132495834).

45509994436 is a wasteful number, since it uses less digits than its factorization.

45509994436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377498613 (or 11377498611 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 45509994436 in words is "forty-five billion, five hundred nine million, nine hundred ninety-four thousand, four hundred thirty-six".