47946109156 has 81 divisors (see below), whose sum is σ = 95140581627. Its totient is φ = 21125839680.

The previous prime is 47946109153. The next prime is 47946109181. The reversal of 47946109156 is 65190164974.

The square root of 47946109156 is 218966.

It is a perfect power (a square), and thus also a powerful number.

47946109156 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 4 ways, for example, as 240560100 + 47705549056 = 15510^2 + 218416^2 .

It is not an unprimeable number, because it can be changed into a prime (47946109153) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 178238190 + ... + 178238458.

Almost surely, 2^47946109156 is an apocalyptic number.

47946109156 is the 218966-th square number.

It is an amenable number.

47946109156 is a deficient number, since it is larger than the sum of its proper divisors (47194472471).

47946109156 is a wasteful number, since it uses less digits than its factorization.

47946109156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 47946109156 in words is "forty-seven billion, nine hundred forty-six million, one hundred nine thousand, one hundred fifty-six".