47501617906 has 16 divisors (see below), whose sum is σ = 75994437816. Its totient is φ = 22190534656.

The previous prime is 47501617903. The next prime is 47501618023. The reversal of 47501617906 is 60971610574.

47501617906 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 46401037281 + 1100580625 = 215409^2 + 33175^2 .

It is not an unprimeable number, because it can be changed into a prime (47501617903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094271 + ... + 5103586.

Almost surely, 2^47501617906 is an apocalyptic number.

47501617906 is a deficient number, since it is larger than the sum of its proper divisors (28492819910).

47501617906 is a wasteful number, since it uses less digits than its factorization.

47501617906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198013.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 47501617906 in words is "forty-seven billion, five hundred one million, six hundred seventeen thousand, nine hundred six".