393416610947 has 2 divisors, whose sum is σ = 393416610948. Its totient is φ = 393416610946.

The previous prime is 393416610893. The next prime is 393416610959. The reversal of 393416610947 is 749016614393.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-393416610947 is a prime.

It is not a weakly prime, because it can be changed into another prime (393416610967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196708305473 + 196708305474.

It is an arithmetic number, because the mean of its divisors is an integer number (196708305474).

Almost surely, 2^393416610947 is an apocalyptic number.

393416610947 is a deficient number, since it is larger than the sum of its proper divisors (1).

393416610947 is an equidigital number, since it uses as much as digits as its factorization.

393416610947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 393416610947 in words is "three hundred ninety-three billion, four hundred sixteen million, six hundred ten thousand, nine hundred forty-seven".