693460595649643 has 2 divisors, whose sum is σ = 693460595649644. Its totient is φ = 693460595649642.

The previous prime is 693460595649583. The next prime is 693460595649677. The reversal of 693460595649643 is 346946595064396.

693460595649643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693460595649643 is a prime.

It is not a weakly prime, because it can be changed into another prime (693460595649743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346730297824821 + 346730297824822.

It is an arithmetic number, because the mean of its divisors is an integer number (346730297824822).

Almost surely, 2^{693460595649643} is an apocalyptic number.

693460595649643 is a deficient number, since it is larger than the sum of its proper divisors (1).

693460595649643 is an equidigital number, since it uses as much as digits as its factorization.

693460595649643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13604889600, while the sum is 79.

The spelling of 693460595649643 in words is "six hundred ninety-three trillion, four hundred sixty billion, five hundred ninety-five million, six hundred forty-nine thousand, six hundred forty-three".