45209865616 has 20 divisors (see below), whose sum is σ = 87613436032. Its totient is φ = 22599946656.

The previous prime is 45209865611. The next prime is 45209865629. The reversal of 45209865616 is 61656890254.

45209865616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45209865611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236280 + ... + 382423.

Almost surely, 2^45209865616 is an apocalyptic number.

It is an amenable number.

45209865616 is a deficient number, since it is larger than the sum of its proper divisors (42403570416).

45209865616 is a wasteful number, since it uses less digits than its factorization.

45209865616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623278 (or 623272 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 45209865616 in words is "forty-five billion, two hundred nine million, eight hundred sixty-five thousand, six hundred sixteen".