233604575989 has 2 divisors, whose sum is σ = 233604575990. Its totient is φ = 233604575988.

The previous prime is 233604575959. The next prime is 233604576011. The reversal of 233604575989 is 989575406332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216090171025 + 17514404964 = 464855^2 + 132342^2 .

It is a cyclic number.

It is not a de Polignac number, because 233604575989 - 2²⁵ = 233571021557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233604575959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116802287994 + 116802287995.

It is an arithmetic number, because the mean of its divisors is an integer number (116802287995).

Almost surely, 2^233604575989 is an apocalyptic number.

It is an amenable number.

233604575989 is a deficient number, since it is larger than the sum of its proper divisors (1).

233604575989 is an equidigital number, since it uses as much as digits as its factorization.

233604575989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 233604575989 in words is "two hundred thirty-three billion, six hundred four million, five hundred seventy-five thousand, nine hundred eighty-nine".