693432404234397 has 10 divisors (see below), whose sum is σ = 1035868159411998. Its totient is φ = 462288269489544.

The previous prime is 693432404234393. The next prime is 693432404234429. The reversal of 693432404234397 is 793432404234396.

693432404234397 is a `hidden beast` number, since 6 + 9 + 3 + 4 + 3 + 2 + 4 + 0 + 4 + 234 + 397 = 666.

It can be written as a sum of positive squares in only one way, i.e., 681501777036921 + 11930627197476 = 26105589^2 + 3454074^2 .

It is not a de Polignac number, because 693432404234397 - 2² = 693432404234393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693432404234393) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4280446939638 + ... + 4280446939799.

Almost surely, 2^{693432404234397} is an apocalyptic number.

It is an amenable number.

693432404234397 is a deficient number, since it is larger than the sum of its proper divisors (342435755177601).

693432404234397 is an equidigital number, since it uses as much as digits as its factorization.

693432404234397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8560893879449 (or 8560893879440 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 63.

Subtracting 693432404234397 from its reverse (793432404234396), we obtain a palindrome (99999999999999).

The spelling of 693432404234397 in words is "six hundred ninety-three trillion, four hundred thirty-two billion, four hundred four million, two hundred thirty-four thousand, three hundred ninety-seven".