117349649 has 2 divisors, whose sum is σ = 117349650. Its totient is φ = 117349648.

The previous prime is 117349621. The next prime is 117349697. The reversal of 117349649 is 946943711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91776400 + 25573249 = 9580^2 + 5057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117349649 is a prime.

It is equal to p_6699248 and since 117349649 and 6699248 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (117349699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58674824 + 58674825.

It is an arithmetic number, because the mean of its divisors is an integer number (58674825).

Almost surely, 2^117349649 is an apocalyptic number.

It is an amenable number.

117349649 is a deficient number, since it is larger than the sum of its proper divisors (1).

117349649 is an equidigital number, since it uses as much as digits as its factorization.

117349649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 117349649 is about 10832.8042999031. The cubic root of 117349649 is about 489.5840549032.

The spelling of 117349649 in words is "one hundred seventeen million, three hundred forty-nine thousand, six hundred forty-nine".