3388400693 has 2 divisors, whose sum is σ = 3388400694. Its totient is φ = 3388400692.

The previous prime is 3388400651. The next prime is 3388400699. The reversal of 3388400693 is 3960048833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2994497284 + 393903409 = 54722^2 + 19847^2 .

It is a cyclic number.

It is not a de Polignac number, because 3388400693 - 2⁸ = 3388400437 is a prime.

It is a super-2 number, since 2×3388400693² = 22962518512645760498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3388400699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1694200346 + 1694200347.

It is an arithmetic number, because the mean of its divisors is an integer number (1694200347).

Almost surely, 2^3388400693 is an apocalyptic number.

It is an amenable number.

3388400693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3388400693 is an equidigital number, since it uses as much as digits as its factorization.

3388400693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 3388400693 is about 58209.9707352615. The cubic root of 3388400693 is about 1501.9826660541.

The spelling of 3388400693 in words is "three billion, three hundred eighty-eight million, four hundred thousand, six hundred ninety-three".