693379930321 has 4 divisors (see below), whose sum is σ = 746716848052. Its totient is φ = 640043012592.

The previous prime is 693379930273. The next prime is 693379930343. The reversal of 693379930321 is 123039973396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68205067921 + 625174862400 = 261161^2 + 790680^2 .

It is a cyclic number.

It is not a de Polignac number, because 693379930321 - 2⁷ = 693379930193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693379930021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26668458846 + ... + 26668458871.

It is an arithmetic number, because the mean of its divisors is an integer number (186679212013).

Almost surely, 2^693379930321 is an apocalyptic number.

It is an amenable number.

693379930321 is a deficient number, since it is larger than the sum of its proper divisors (53336917731).

693379930321 is a wasteful number, since it uses less digits than its factorization.

693379930321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53336917730.

The product of its (nonzero) digits is 4960116, while the sum is 55.

The spelling of 693379930321 in words is "six hundred ninety-three billion, three hundred seventy-nine million, nine hundred thirty thousand, three hundred twenty-one".