618090959 has 2 divisors, whose sum is σ = 618090960. Its totient is φ = 618090958.

The previous prime is 618090953. The next prime is 618090971. The reversal of 618090959 is 959090816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618090959 - 2⁴ = 618090943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618090953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309045479 + 309045480.

It is an arithmetic number, because the mean of its divisors is an integer number (309045480).

Almost surely, 2^618090959 is an apocalyptic number.

618090959 is a deficient number, since it is larger than the sum of its proper divisors (1).

618090959 is an equidigital number, since it uses as much as digits as its factorization.

618090959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 618090959 is about 24861.4351757898. The cubic root of 618090959 is about 851.8258141823.

The spelling of 618090959 in words is "six hundred eighteen million, ninety thousand, nine hundred fifty-nine".