3681038147 has 4 divisors (see below), whose sum is σ = 3690501360. Its totient is φ = 3671574936.

The previous prime is 3681038111. The next prime is 3681038149. The reversal of 3681038147 is 7418301863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3681038147 - 2⁶ = 3681038083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681038149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4731023 + ... + 4731800.

It is an arithmetic number, because the mean of its divisors is an integer number (922625340).

Almost surely, 2^3681038147 is an apocalyptic number.

3681038147 is a deficient number, since it is larger than the sum of its proper divisors (9463213).

3681038147 is an equidigital number, since it uses as much as digits as its factorization.

3681038147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463212.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 3681038147 is about 60671.5596222810. The cubic root of 3681038147 is about 1544.0336918639.

The spelling of 3681038147 in words is "three billion, six hundred eighty-one million, thirty-eight thousand, one hundred forty-seven".