3138832847 has 2 divisors, whose sum is σ = 3138832848. Its totient is φ = 3138832846.

The previous prime is 3138832811. The next prime is 3138832849. The reversal of 3138832847 is 7482388313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3138832847 - 2⁸ = 3138832591 is a prime.

It is a super-2 number, since 2×3138832847² = 19704543282812250818, which contains 22 as substring.

Together with 3138832849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3138832849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569416423 + 1569416424.

It is an arithmetic number, because the mean of its divisors is an integer number (1569416424).

Almost surely, 2^3138832847 is an apocalyptic number.

3138832847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3138832847 is an equidigital number, since it uses as much as digits as its factorization.

3138832847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The square root of 3138832847 is about 56025.2875673120. The cubic root of 3138832847 is about 1464.1628934217.

The spelling of 3138832847 in words is "three billion, one hundred thirty-eight million, eight hundred thirty-two thousand, eight hundred forty-seven".