3091638047 has 2 divisors, whose sum is σ = 3091638048. Its totient is φ = 3091638046.

The previous prime is 3091638041. The next prime is 3091638083. The reversal of 3091638047 is 7408361903.

It is a weak prime.

It is an emirp because it is prime and its reverse (7408361903) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3091638047 - 2⁴ = 3091638031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3091637995 and 3091638013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3091638041) 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 as a sum of consecutive naturals, namely, 1545819023 + 1545819024.

It is an arithmetic number, because the mean of its divisors is an integer number (1545819024).

Almost surely, 2^3091638047 is an apocalyptic number.

3091638047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091638047 is an equidigital number, since it uses as much as digits as its factorization.

3091638047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 3091638047 is about 55602.5003664404. The cubic root of 3091638047 is about 1456.7875271521.

The spelling of 3091638047 in words is "three billion, ninety-one million, six hundred thirty-eight thousand, forty-seven".