232513449991 has 2 divisors, whose sum is σ = 232513449992. Its totient is φ = 232513449990.

The previous prime is 232513449967. The next prime is 232513450021. The reversal of 232513449991 is 199944315232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232513449991 - 2⁹ = 232513449479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232513449941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116256724995 + 116256724996.

It is an arithmetic number, because the mean of its divisors is an integer number (116256724996).

Almost surely, 2^232513449991 is an apocalyptic number.

232513449991 is a deficient number, since it is larger than the sum of its proper divisors (1).

232513449991 is an equidigital number, since it uses as much as digits as its factorization.

232513449991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 52.

The spelling of 232513449991 in words is "two hundred thirty-two billion, five hundred thirteen million, four hundred forty-nine thousand, nine hundred ninety-one".