118989433 has 2 divisors, whose sum is σ = 118989434. Its totient is φ = 118989432.

The previous prime is 118989427. The next prime is 118989491. The reversal of 118989433 is 334989811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98168464 + 20820969 = 9908^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 118989433 - 2⁵ = 118989401 is a prime.

It is a super-2 number, since 2×118989433² = 28316970331322978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118981433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59494716 + 59494717.

It is an arithmetic number, because the mean of its divisors is an integer number (59494717).

Almost surely, 2^118989433 is an apocalyptic number.

It is an amenable number.

118989433 is a deficient number, since it is larger than the sum of its proper divisors (1).

118989433 is an equidigital number, since it uses as much as digits as its factorization.

118989433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 118989433 is about 10908.2277662322. The cubic root of 118989433 is about 491.8539139837.

The spelling of 118989433 in words is "one hundred eighteen million, nine hundred eighty-nine thousand, four hundred thirty-three".