3665013247 has 16 divisors (see below), whose sum is σ = 4298112000. Its totient is φ = 3059559360.

The previous prime is 3665013239. The next prime is 3665013299. The reversal of 3665013247 is 7423105663.

It is a cyclic number.

It is not a de Polignac number, because 3665013247 - 2³ = 3665013239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665013217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161254 + ... + 182572.

It is an arithmetic number, because the mean of its divisors is an integer number (268632000).

Almost surely, 2^3665013247 is an apocalyptic number.

3665013247 is a deficient number, since it is larger than the sum of its proper divisors (633098753).

3665013247 is a wasteful number, since it uses less digits than its factorization.

3665013247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 3665013247 is about 60539.3528789332. The cubic root of 3665013247 is about 1541.7898522471.

The spelling of 3665013247 in words is "three billion, six hundred sixty-five million, thirteen thousand, two hundred forty-seven".