117994453 has 2 divisors, whose sum is σ = 117994454. Its totient is φ = 117994452.

The previous prime is 117994421. The next prime is 117994489. The reversal of 117994453 is 354499711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102050404 + 15944049 = 10102^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 117994453 - 2⁵ = 117994421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117994493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58997226 + 58997227.

It is an arithmetic number, because the mean of its divisors is an integer number (58997227).

Almost surely, 2^117994453 is an apocalyptic number.

It is an amenable number.

117994453 is a deficient number, since it is larger than the sum of its proper divisors (1).

117994453 is an equidigital number, since it uses as much as digits as its factorization.

117994453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 117994453 is about 10862.5251668293. The cubic root of 117994453 is about 490.4791273530.

The spelling of 117994453 in words is "one hundred seventeen million, nine hundred ninety-four thousand, four hundred fifty-three".