47156314537 has 2 divisors, whose sum is σ = 47156314538. Its totient is φ = 47156314536.

The previous prime is 47156314523. The next prime is 47156314561. The reversal of 47156314537 is 73541365174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38345864041 + 8810450496 = 195821^2 + 93864^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156314537 - 2¹⁵ = 47156281769 is a prime.

It is not a weakly prime, because it can be changed into another prime (47156314937) 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 as a sum of consecutive naturals, namely, 23578157268 + 23578157269.

It is an arithmetic number, because the mean of its divisors is an integer number (23578157269).

Almost surely, 2^47156314537 is an apocalyptic number.

It is an amenable number.

47156314537 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156314537 is an equidigital number, since it uses as much as digits as its factorization.

47156314537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The spelling of 47156314537 in words is "forty-seven billion, one hundred fifty-six million, three hundred fourteen thousand, five hundred thirty-seven".