47438014181 has 6 divisors (see below), whose sum is σ = 47704543782. Its totient is φ = 47172965480.

The previous prime is 47438014177. The next prime is 47438014187. The reversal of 47438014181 is 18141083474.

47438014181 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 only one way, i.e., 29222193025 + 18215821156 = 170945^2 + 134966^2 .

It is not a de Polignac number, because 47438014181 - 2² = 47438014177 is a prime.

It is a super-2 number, since 2×47438014181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47438014187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 708230 + ... + 772311.

It is an arithmetic number, because the mean of its divisors is an integer number (7950757297).

Almost surely, 2^47438014181 is an apocalyptic number.

It is an amenable number.

47438014181 is a deficient number, since it is larger than the sum of its proper divisors (266529601).

47438014181 is an equidigital number, since it uses as much as digits as its factorization.

47438014181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480899 (or 1480720 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 47438014181 in words is "forty-seven billion, four hundred thirty-eight million, fourteen thousand, one hundred eighty-one".