45473709912 has 16 divisors (see below), whose sum is σ = 113684274840. Its totient is φ = 15157903296.

The previous prime is 45473709889. The next prime is 45473709917. The reversal of 45473709912 is 21990737454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45473709917) 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, 947368933 + ... + 947368980.

Almost surely, 2^45473709912 is an apocalyptic number.

It is an amenable number.

45473709912 is an abundant number, since it is smaller than the sum of its proper divisors (68210564928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45473709912 is a wasteful number, since it uses less digits than its factorization.

45473709912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894737922 (or 1894737918 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 45473709912 in words is "forty-five billion, four hundred seventy-three million, seven hundred nine thousand, nine hundred twelve".