117471969437 has 2 divisors, whose sum is σ = 117471969438. Its totient is φ = 117471969436.

The previous prime is 117471969431. The next prime is 117471969469. The reversal of 117471969437 is 734969174711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117464538361 + 7431076 = 342731^2 + 2726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117471969437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117471969431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58735984718 + 58735984719.

It is an arithmetic number, because the mean of its divisors is an integer number (58735984719).

Almost surely, 2^117471969437 is an apocalyptic number.

It is an amenable number.

117471969437 is a deficient number, since it is larger than the sum of its proper divisors (1).

117471969437 is an equidigital number, since it uses as much as digits as its factorization.

117471969437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 59.

The spelling of 117471969437 in words is "one hundred seventeen billion, four hundred seventy-one million, nine hundred sixty-nine thousand, four hundred thirty-seven".