3695946217 has 4 divisors (see below), whose sum is σ = 3913354836. Its totient is φ = 3478537600.

The previous prime is 3695946203. The next prime is 3695946229. The reversal of 3695946217 is 7126495963.

It is a happy number.

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 1695710041 + 2000236176 = 41179^2 + 44724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3695946217 is a prime.

It is a super-2 number, since 2×3695946217² = 27320036877913222178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3695946817) 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, 108704284 + ... + 108704317.

It is an arithmetic number, because the mean of its divisors is an integer number (978338709).

Almost surely, 2^3695946217 is an apocalyptic number.

It is an amenable number.

3695946217 is a deficient number, since it is larger than the sum of its proper divisors (217408619).

3695946217 is a wasteful number, since it uses less digits than its factorization.

3695946217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217408618.

The product of its digits is 2449440, while the sum is 52.

The square root of 3695946217 is about 60794.2942799733. The cubic root of 3695946217 is about 1546.1153109066.

The spelling of 3695946217 in words is "three billion, six hundred ninety-five million, nine hundred forty-six thousand, two hundred seventeen".