47156314538 has 8 divisors (see below), whose sum is σ = 70789351140. Its totient is φ = 23559864160.

The previous prime is 47156314537. The next prime is 47156314561. The reversal of 47156314538 is 83541365174.

It can be written as a sum of positive squares in 2 ways, for example, as 46120569049 + 1035745489 = 214757^2 + 32183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47156314492 and 47156314501.

It is not an unprimeable number, because it can be changed into a prime (47156314537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9143333 + ... + 9148488.

Almost surely, 2^47156314538 is an apocalyptic number.

47156314538 is a deficient number, since it is larger than the sum of its proper divisors (23633036602).

47156314538 is a wasteful number, since it uses less digits than its factorization.

47156314538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293112.

The product of its digits is 1209600, while the sum is 47.

The spelling of 47156314538 in words is "forty-seven billion, one hundred fifty-six million, three hundred fourteen thousand, five hundred thirty-eight".