47909902673 has 6 divisors (see below), whose sum is σ = 50729087826. Its totient is φ = 45090823712.

The previous prime is 47909902643. The next prime is 47909902709. The reversal of 47909902673 is 37620990974.

47909902673 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., 45091673104 + 2818229569 = 212348^2 + 53087^2 .

It is not a de Polignac number, because 47909902673 - 2⁶ = 47909902609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47909902613) 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, 875936 + ... + 929022.

It is an arithmetic number, because the mean of its divisors is an integer number (8454847971).

Almost surely, 2^47909902673 is an apocalyptic number.

It is an amenable number.

47909902673 is a deficient number, since it is larger than the sum of its proper divisors (2819185153).

47909902673 is an frugal number, since it uses more digits than its factorization.

47909902673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106191 (or 53104 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 47909902673 in words is "forty-seven billion, nine hundred nine million, nine hundred two thousand, six hundred seventy-three".