3738768685 has 4 divisors (see below), whose sum is σ = 4486522428. Its totient is φ = 2991014944.

The previous prime is 3738768667. The next prime is 3738768697. The reversal of 3738768685 is 5868678373.

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 2281590756 + 1457177929 = 47766^2 + 38173^2 .

It is a cyclic number.

It is not a de Polignac number, because 3738768685 - 2¹⁷ = 3738637613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373876864 + ... + 373876873.

It is an arithmetic number, because the mean of its divisors is an integer number (1121630607).

Almost surely, 2^3738768685 is an apocalyptic number.

It is an amenable number.

3738768685 is a deficient number, since it is larger than the sum of its proper divisors (747753743).

3738768685 is an equidigital number, since it uses as much as digits as its factorization.

3738768685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747753742.

The product of its digits is 40642560, while the sum is 61.

The square root of 3738768685 is about 61145.4715003491. The cubic root of 3738768685 is about 1552.0636660665.

The spelling of 3738768685 in words is "three billion, seven hundred thirty-eight million, seven hundred sixty-eight thousand, six hundred eighty-five".