233913189793 has 2 divisors, whose sum is σ = 233913189794. Its totient is φ = 233913189792.

The previous prime is 233913189767. The next prime is 233913189859. The reversal of 233913189793 is 397981319332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200289366369 + 33623823424 = 447537^2 + 183368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233913189793 is a prime.

It is not a weakly prime, because it can be changed into another prime (233913189193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116956594896 + 116956594897.

It is an arithmetic number, because the mean of its divisors is an integer number (116956594897).

Almost surely, 2^233913189793 is an apocalyptic number.

It is an amenable number.

233913189793 is a deficient number, since it is larger than the sum of its proper divisors (1).

233913189793 is an equidigital number, since it uses as much as digits as its factorization.

233913189793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 58.

The spelling of 233913189793 in words is "two hundred thirty-three billion, nine hundred thirteen million, one hundred eighty-nine thousand, seven hundred ninety-three".