117962019869 has 2 divisors, whose sum is σ = 117962019870. Its totient is φ = 117962019868.

The previous prime is 117962019839. The next prime is 117962019947. The reversal of 117962019869 is 968910269711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117812324644 + 149695225 = 343238^2 + 12235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117962019869 is a prime.

It is a super-2 number, since 2×117962019869² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117962019839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58981009934 + 58981009935.

It is an arithmetic number, because the mean of its divisors is an integer number (58981009935).

Almost surely, 2^117962019869 is an apocalyptic number.

It is an amenable number.

117962019869 is a deficient number, since it is larger than the sum of its proper divisors (1).

117962019869 is an equidigital number, since it uses as much as digits as its factorization.

117962019869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 59.

The spelling of 117962019869 in words is "one hundred seventeen billion, nine hundred sixty-two million, nineteen thousand, eight hundred sixty-nine".