47965175197 has 2 divisors, whose sum is σ = 47965175198. Its totient is φ = 47965175196.

The previous prime is 47965175173. The next prime is 47965175231. The reversal of 47965175197 is 79157156974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25279092036 + 22686083161 = 158994^2 + 150619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47965175197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47965175117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23982587598 + 23982587599.

It is an arithmetic number, because the mean of its divisors is an integer number (23982587599).

Almost surely, 2^47965175197 is an apocalyptic number.

It is an amenable number.

47965175197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47965175197 is an equidigital number, since it uses as much as digits as its factorization.

47965175197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16669800, while the sum is 61.

The spelling of 47965175197 in words is "forty-seven billion, nine hundred sixty-five million, one hundred seventy-five thousand, one hundred ninety-seven".