3869959693 has 2 divisors, whose sum is σ = 3869959694. Its totient is φ = 3869959692.

The previous prime is 3869959673. The next prime is 3869959699. The reversal of 3869959693 is 3969599683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2978758084 + 891201609 = 54578^2 + 29853^2 .

It is a cyclic number.

It is not a de Polignac number, because 3869959693 - 2⁵ = 3869959661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3869959699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934979846 + 1934979847.

It is an arithmetic number, because the mean of its divisors is an integer number (1934979847).

Almost surely, 2^3869959693 is an apocalyptic number.

It is an amenable number.

3869959693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869959693 is an equidigital number, since it uses as much as digits as its factorization.

3869959693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85030560, while the sum is 67.

The square root of 3869959693 is about 62209.0000964491. Note that the first 4 decimals coincide. The cubic root of 3869959693 is about 1570.0090189753.

The spelling of 3869959693 in words is "three billion, eight hundred sixty-nine million, nine hundred fifty-nine thousand, six hundred ninety-three".