913666051 has 2 divisors, whose sum is σ = 913666052. Its totient is φ = 913666050.

The previous prime is 913666031. The next prime is 913666073. The reversal of 913666051 is 150666319.

It is a weak prime.

It is an emirp because it is prime and its reverse (150666319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 913666051 - 2⁷ = 913665923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 913666051.

It is not a weakly prime, because it can be changed into another prime (913666001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456833025 + 456833026.

It is an arithmetic number, because the mean of its divisors is an integer number (456833026).

Almost surely, 2^913666051 is an apocalyptic number.

913666051 is a deficient number, since it is larger than the sum of its proper divisors (1).

913666051 is an equidigital number, since it uses as much as digits as its factorization.

913666051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 913666051 is about 30226.9093855128. The cubic root of 913666051 is about 970.3516813860.

The spelling of 913666051 in words is "nine hundred thirteen million, six hundred sixty-six thousand, fifty-one".