3690807669 has 6 divisors (see below), whose sum is σ = 5331166646. Its totient is φ = 2460538440.

The previous prime is 3690807649. The next prime is 3690807671. The reversal of 3690807669 is 9667080963.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3689104644 + 1703025 = 60738^2 + 1305^2 .

It is not a de Polignac number, because 3690807669 - 2⁷ = 3690807541 is a prime.

It is a super-2 number, since 2×3690807669² = 27244122499098427122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690807649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205044862 + ... + 205044879.

Almost surely, 2^3690807669 is an apocalyptic number.

It is an amenable number.

3690807669 is a deficient number, since it is larger than the sum of its proper divisors (1640358977).

3690807669 is a wasteful number, since it uses less digits than its factorization.

3690807669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410089747 (or 410089744 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 3690807669 is about 60752.0178183408. The cubic root of 3690807669 is about 1545.3984468930.

The spelling of 3690807669 in words is "three billion, six hundred ninety million, eight hundred seven thousand, six hundred sixty-nine".