47909390893 has 16 divisors (see below), whose sum is σ = 59175277056. Its totient is φ = 37771413120.

The previous prime is 47909390887. The next prime is 47909390897. The reversal of 47909390893 is 39809390974.

It is not a de Polignac number, because 47909390893 - 2⁵ = 47909390861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47909390897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911221 + ... + 962362.

It is an arithmetic number, because the mean of its divisors is an integer number (3698454816).

Almost surely, 2^47909390893 is an apocalyptic number.

It is an amenable number.

47909390893 is a deficient number, since it is larger than the sum of its proper divisors (11265886163).

47909390893 is a wasteful number, since it uses less digits than its factorization.

47909390893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873884.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The spelling of 47909390893 in words is "forty-seven billion, nine hundred nine million, three hundred ninety thousand, eight hundred ninety-three".