47156314937 has 2 divisors, whose sum is σ = 47156314938. Its totient is φ = 47156314936.

The previous prime is 47156314913. The next prime is 47156314939. The reversal of 47156314937 is 73941365174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38122953001 + 9033361936 = 195251^2 + 95044^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156314937 - 2¹⁶ = 47156249401 is a prime.

Together with 47156314939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47156314939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578157468 + 23578157469.

It is an arithmetic number, because the mean of its divisors is an integer number (23578157469).

Almost surely, 2^47156314937 is an apocalyptic number.

It is an amenable number.

47156314937 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156314937 is an equidigital number, since it uses as much as digits as its factorization.

47156314937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The spelling of 47156314937 in words is "forty-seven billion, one hundred fifty-six million, three hundred fourteen thousand, nine hundred thirty-seven".