3685668430 has 32 divisors (see below), whose sum is σ = 6876764928. Its totient is φ = 1420761600.

The previous prime is 3685668421. The next prime is 3685668439. The reversal of 3685668430 is 348665863.

It is an interprime number because it is at equal distance from previous prime (3685668421) and next prime (3685668439).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685668439) 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, 50044 + ... + 99376.

It is an arithmetic number, because the mean of its divisors is an integer number (214898904).

Almost surely, 2^3685668430 is an apocalyptic number.

3685668430 is a deficient number, since it is larger than the sum of its proper divisors (3191096498).

3685668430 is a wasteful number, since it uses less digits than its factorization.

3685668430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49612.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The square root of 3685668430 is about 60709.7062256111. The cubic root of 3685668430 is about 1544.6808206645.

It can be divided in two parts, 368566 and 8430, that added together give a square (376996 = 614²).

The spelling of 3685668430 in words is "three billion, six hundred eighty-five million, six hundred sixty-eight thousand, four hundred thirty".