693869662069 has 2 divisors, whose sum is σ = 693869662070. Its totient is φ = 693869662068.

The previous prime is 693869662051. The next prime is 693869662091. The reversal of 693869662069 is 960266968396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447645297969 + 246224364100 = 669063^2 + 496210^2 .

It is a cyclic number.

It is not a de Polignac number, because 693869662069 - 2⁵ = 693869662037 is a prime.

It is a super-2 number, since 2×693869662069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 693869661989 and 693869662007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693869662769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346934831034 + 346934831035.

It is an arithmetic number, because the mean of its divisors is an integer number (346934831035).

Almost surely, 2^693869662069 is an apocalyptic number.

It is an amenable number.

693869662069 is a deficient number, since it is larger than the sum of its proper divisors (1).

693869662069 is an equidigital number, since it uses as much as digits as its factorization.

693869662069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272097792, while the sum is 70.

The spelling of 693869662069 in words is "six hundred ninety-three billion, eight hundred sixty-nine million, six hundred sixty-two thousand, sixty-nine".