913668761 has 2 divisors, whose sum is σ = 913668762. Its totient is φ = 913668760.

The previous prime is 913668727. The next prime is 913668779. The reversal of 913668761 is 167866319.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885419536 + 28249225 = 29756^2 + 5315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-913668761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (913661761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456834380 + 456834381.

It is an arithmetic number, because the mean of its divisors is an integer number (456834381).

Almost surely, 2^913668761 is an apocalyptic number.

It is an amenable number.

913668761 is a deficient number, since it is larger than the sum of its proper divisors (1).

913668761 is an equidigital number, since it uses as much as digits as its factorization.

913668761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 913668761 is about 30226.9542130860. The cubic root of 913668761 is about 970.3526407630.

The spelling of 913668761 in words is "nine hundred thirteen million, six hundred sixty-eight thousand, seven hundred sixty-one".