47391729136 has 40 divisors (see below), whose sum is σ = 94841124224. Its totient is φ = 22917530880.

The previous prime is 47391729101. The next prime is 47391729169. The reversal of 47391729136 is 63192719374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811510 + ... + 867946.

Almost surely, 2^47391729136 is an apocalyptic number.

It is an amenable number.

47391729136 is an abundant number, since it is smaller than the sum of its proper divisors (47449395088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47391729136 is a wasteful number, since it uses less digits than its factorization.

47391729136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58169 (or 58163 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The spelling of 47391729136 in words is "forty-seven billion, three hundred ninety-one million, seven hundred twenty-nine thousand, one hundred thirty-six".