233157475189 has 2 divisors, whose sum is σ = 233157475190. Its totient is φ = 233157475188.

The previous prime is 233157475163. The next prime is 233157475207. The reversal of 233157475189 is 981574751332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171588978289 + 61568496900 = 414233^2 + 248130^2 .

It is a cyclic number.

It is not a de Polignac number, because 233157475189 - 2⁹ = 233157474677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233157475129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116578737594 + 116578737595.

It is an arithmetic number, because the mean of its divisors is an integer number (116578737595).

Almost surely, 2^233157475189 is an apocalyptic number.

It is an amenable number.

233157475189 is a deficient number, since it is larger than the sum of its proper divisors (1).

233157475189 is an equidigital number, since it uses as much as digits as its factorization.

233157475189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 55.

The spelling of 233157475189 in words is "two hundred thirty-three billion, one hundred fifty-seven million, four hundred seventy-five thousand, one hundred eighty-nine".