3687574669 has 4 divisors (see below), whose sum is σ = 3904490844. Its totient is φ = 3470658496.

The previous prime is 3687574661. The next prime is 3687574687. The reversal of 3687574669 is 9664757863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2223594025 + 1463980644 = 47155^2 + 38262^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687574669 - 2³ = 3687574661 is a prime.

It is a super-2 number, since 2×3687574669² = 27196413878900919122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687574661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108458062 + ... + 108458095.

It is an arithmetic number, because the mean of its divisors is an integer number (976122711).

Almost surely, 2^3687574669 is an apocalyptic number.

It is an amenable number.

3687574669 is a deficient number, since it is larger than the sum of its proper divisors (216916175).

3687574669 is a wasteful number, since it uses less digits than its factorization.

3687574669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216916174.

The product of its digits is 45722880, while the sum is 61.

The square root of 3687574669 is about 60725.4038191596. The cubic root of 3687574669 is about 1544.9470793169.

The spelling of 3687574669 in words is "three billion, six hundred eighty-seven million, five hundred seventy-four thousand, six hundred sixty-nine".