693861379423 has 16 divisors (see below), whose sum is σ = 705199841280. Its totient is φ = 682615620000.

The previous prime is 693861379363. The next prime is 693861379457. The reversal of 693861379423 is 324973168396.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693861379423 is a prime.

It is a super-2 number, since 2×693861379423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693861319423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98570338 + ... + 98577376.

It is an arithmetic number, because the mean of its divisors is an integer number (44074990080).

Almost surely, 2^693861379423 is an apocalyptic number.

693861379423 is a deficient number, since it is larger than the sum of its proper divisors (11338461857).

693861379423 is a wasteful number, since it uses less digits than its factorization.

693861379423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398.

The product of its digits is 35271936, while the sum is 61.

The spelling of 693861379423 in words is "six hundred ninety-three billion, eight hundred sixty-one million, three hundred seventy-nine thousand, four hundred twenty-three".