47156364589 has 2 divisors, whose sum is σ = 47156364590. Its totient is φ = 47156364588.

The previous prime is 47156364557. The next prime is 47156364601. The reversal of 47156364589 is 98546365174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38555286025 + 8601078564 = 196355^2 + 92742^2 .

It is a cyclic number.

It is not a de Polignac number, because 47156364589 - 2⁵ = 47156364557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47156361589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23578182294 + 23578182295.

It is an arithmetic number, because the mean of its divisors is an integer number (23578182295).

Almost surely, 2^47156364589 is an apocalyptic number.

It is an amenable number.

47156364589 is a deficient number, since it is larger than the sum of its proper divisors (1).

47156364589 is an equidigital number, since it uses as much as digits as its factorization.

47156364589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 58.

The spelling of 47156364589 in words is "forty-seven billion, one hundred fifty-six million, three hundred sixty-four thousand, five hundred eighty-nine".