47110831613 has 4 divisors (see below), whose sum is σ = 49882057020. Its totient is φ = 44339606208.

The previous prime is 47110831583. The next prime is 47110831619. The reversal of 47110831613 is 31613801174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15464912164 + 31645919449 = 124358^2 + 177893^2 .

It is a cyclic number.

It is not a de Polignac number, because 47110831613 - 2⁸ = 47110831357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47110831619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385612678 + ... + 1385612711.

It is an arithmetic number, because the mean of its divisors is an integer number (12470514255).

Almost surely, 2^47110831613 is an apocalyptic number.

It is an amenable number.

47110831613 is a deficient number, since it is larger than the sum of its proper divisors (2771225407).

47110831613 is a wasteful number, since it uses less digits than its factorization.

47110831613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771225406.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 47110831613 in words is "forty-seven billion, one hundred ten million, eight hundred thirty-one thousand, six hundred thirteen".