231641746799 has 2 divisors, whose sum is σ = 231641746800. Its totient is φ = 231641746798.

The previous prime is 231641746747. The next prime is 231641746801. The reversal of 231641746799 is 997647146132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231641746799 is a prime.

Together with 231641746801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231641776799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115820873399 + 115820873400.

It is an arithmetic number, because the mean of its divisors is an integer number (115820873400).

Almost surely, 2^231641746799 is an apocalyptic number.

231641746799 is a deficient number, since it is larger than the sum of its proper divisors (1).

231641746799 is an equidigital number, since it uses as much as digits as its factorization.

231641746799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 59.

The spelling of 231641746799 in words is "two hundred thirty-one billion, six hundred forty-one million, seven hundred forty-six thousand, seven hundred ninety-nine".