468891791 has 2 divisors, whose sum is σ = 468891792. Its totient is φ = 468891790.

The previous prime is 468891779. The next prime is 468891827. The reversal of 468891791 is 197198864.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-468891791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468891701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234445895 + 234445896.

It is an arithmetic number, because the mean of its divisors is an integer number (234445896).

Almost surely, 2^468891791 is an apocalyptic number.

468891791 is a deficient number, since it is larger than the sum of its proper divisors (1).

468891791 is an equidigital number, since it uses as much as digits as its factorization.

468891791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 468891791 is about 21653.9093699036. The cubic root of 468891791 is about 776.8864434998.

The spelling of 468891791 in words is "four hundred sixty-eight million, eight hundred ninety-one thousand, seven hundred ninety-one".