3685635745 has 16 divisors (see below), whose sum is σ = 4826044800. Its totient is φ = 2679788800.

The previous prime is 3685635719. The next prime is 3685635757. The reversal of 3685635745 is 5475365863.

It is a de Polignac number, because none of the positive numbers 2^k-3685635745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3685635692 and 3685635701.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349500 + ... + 359890.

It is an arithmetic number, because the mean of its divisors is an integer number (301627800).

Almost surely, 2^3685635745 is an apocalyptic number.

It is an amenable number.

3685635745 is a deficient number, since it is larger than the sum of its proper divisors (1140409055).

3685635745 is a wasteful number, since it uses less digits than its factorization.

3685635745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856.

The product of its digits is 9072000, while the sum is 52.

The square root of 3685635745 is about 60709.4370341218. The cubic root of 3685635745 is about 1544.6762545057.

The spelling of 3685635745 in words is "three billion, six hundred eighty-five million, six hundred thirty-five thousand, seven hundred forty-five".