47949473956 has 12 divisors (see below), whose sum is σ = 88327978480. Its totient is φ = 22712908680.

The previous prime is 47949473939. The next prime is 47949473963. The reversal of 47949473956 is 65937494974.

It is a junction number, because it is equal to n+sod(n) for n = 47949473891 and 47949473900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315456990 + ... + 315457141.

Almost surely, 2^47949473956 is an apocalyptic number.

It is an amenable number.

47949473956 is a deficient number, since it is larger than the sum of its proper divisors (40378504524).

47949473956 is a wasteful number, since it uses less digits than its factorization.

47949473956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630914154 (or 630914152 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 67.

The spelling of 47949473956 in words is "forty-seven billion, nine hundred forty-nine million, four hundred seventy-three thousand, nine hundred fifty-six".