693423572029 has 2 divisors, whose sum is σ = 693423572030. Its totient is φ = 693423572028.

The previous prime is 693423572027. The next prime is 693423572033. The reversal of 693423572029 is 920275324396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654154204804 + 39269367225 = 808798^2 + 198165^2 .

It is a cyclic number.

It is not a de Polignac number, because 693423572029 - 2¹ = 693423572027 is a prime.

Together with 693423572027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693423572027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346711786014 + 346711786015.

It is an arithmetic number, because the mean of its divisors is an integer number (346711786015).

Almost surely, 2^693423572029 is an apocalyptic number.

It is an amenable number.

693423572029 is a deficient number, since it is larger than the sum of its proper divisors (1).

693423572029 is an equidigital number, since it uses as much as digits as its factorization.

693423572029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 52.

The spelling of 693423572029 in words is "six hundred ninety-three billion, four hundred twenty-three million, five hundred seventy-two thousand, twenty-nine".