693861319423 has 2 divisors, whose sum is σ = 693861319424. Its totient is φ = 693861319422.

The previous prime is 693861319399. The next prime is 693861319429. The reversal of 693861319423 is 324913168396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 693861319423 - 2⁵ = 693861319391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693861319429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346930659711 + 346930659712.

It is an arithmetic number, because the mean of its divisors is an integer number (346930659712).

Almost surely, 2^693861319423 is an apocalyptic number.

693861319423 is a deficient number, since it is larger than the sum of its proper divisors (1).

693861319423 is an equidigital number, since it uses as much as digits as its factorization.

693861319423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 55.

The spelling of 693861319423 in words is "six hundred ninety-three billion, eight hundred sixty-one million, three hundred nineteen thousand, four hundred twenty-three".