3815385347 has 2 divisors, whose sum is σ = 3815385348. Its totient is φ = 3815385346.

The previous prime is 3815385311. The next prime is 3815385397. The reversal of 3815385347 is 7435835183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3815385347 - 2¹⁶ = 3815319811 is a prime.

It is a super-2 number, since 2×3815385347² = 29114330692204620818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3815385397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907692673 + 1907692674.

It is an arithmetic number, because the mean of its divisors is an integer number (1907692674).

Almost surely, 2^3815385347 is an apocalyptic number.

3815385347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3815385347 is an equidigital number, since it uses as much as digits as its factorization.

3815385347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 3815385347 is about 61768.8056141609. The cubic root of 3815385347 is about 1562.5939403957.

The spelling of 3815385347 in words is "three billion, eight hundred fifteen million, three hundred eighty-five thousand, three hundred forty-seven".