3665703345 has 64 divisors (see below), whose sum is σ = 6521856000. Its totient is φ = 1750533120.

The previous prime is 3665703343. The next prime is 3665703347. The reversal of 3665703345 is 5433075663.

It is an interprime number because it is at equal distance from previous prime (3665703343) and next prime (3665703347).

It is not a de Polignac number, because 3665703345 - 2¹ = 3665703343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3665703297 and 3665703306.

It is not an unprimeable number, because it can be changed into a prime (3665703343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 375081 + ... + 384729.

It is an arithmetic number, because the mean of its divisors is an integer number (101904000).

Almost surely, 2^3665703345 is an apocalyptic number.

It is an amenable number.

3665703345 is a deficient number, since it is larger than the sum of its proper divisors (2856152655).

3665703345 is a wasteful number, since it uses less digits than its factorization.

3665703345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750.

The product of its (nonzero) digits is 680400, while the sum is 42.

The square root of 3665703345 is about 60545.0521925615. The cubic root of 3665703345 is about 1541.8866158191.

The spelling of 3665703345 in words is "three billion, six hundred sixty-five million, seven hundred three thousand, three hundred forty-five".