3688734697 has 2 divisors, whose sum is σ = 3688734698. Its totient is φ = 3688734696.

The previous prime is 3688734683. The next prime is 3688734701. The reversal of 3688734697 is 7964378863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3352525801 + 336208896 = 57901^2 + 18336^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688734697 - 2²⁷ = 3554516969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3688734667) 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, 1844367348 + 1844367349.

It is an arithmetic number, because the mean of its divisors is an integer number (1844367349).

Almost surely, 2^3688734697 is an apocalyptic number.

It is an amenable number.

3688734697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688734697 is an equidigital number, since it uses as much as digits as its factorization.

3688734697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 61.

The square root of 3688734697 is about 60734.9544908037. The cubic root of 3688734697 is about 1545.1090641929.

The spelling of 3688734697 in words is "three billion, six hundred eighty-eight million, seven hundred thirty-four thousand, six hundred ninety-seven".