118329643 has 2 divisors, whose sum is σ = 118329644. Its totient is φ = 118329642.

The previous prime is 118329623. The next prime is 118329647. The reversal of 118329643 is 346923811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118329643 - 2⁵ = 118329611 is a prime.

It is not a weakly prime, because it can be changed into another prime (118329647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59164821 + 59164822.

It is an arithmetic number, because the mean of its divisors is an integer number (59164822).

Almost surely, 2^118329643 is an apocalyptic number.

118329643 is a deficient number, since it is larger than the sum of its proper divisors (1).

118329643 is an equidigital number, since it uses as much as digits as its factorization.

118329643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 118329643 is about 10877.9429581148. The cubic root of 118329643 is about 490.9431273248.

The spelling of 118329643 in words is "one hundred eighteen million, three hundred twenty-nine thousand, six hundred forty-three".