5821971139 has 2 divisors, whose sum is σ = 5821971140. Its totient is φ = 5821971138.

The previous prime is 5821971131. The next prime is 5821971157. The reversal of 5821971139 is 9311791285.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5821971139 - 2³ = 5821971131 is a prime.

It is not a weakly prime, because it can be changed into another prime (5821971131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910985569 + 2910985570.

It is an arithmetic number, because the mean of its divisors is an integer number (2910985570).

Almost surely, 2^5821971139 is an apocalyptic number.

5821971139 is a deficient number, since it is larger than the sum of its proper divisors (1).

5821971139 is an equidigital number, since it uses as much as digits as its factorization.

5821971139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 46.

The square root of 5821971139 is about 76301.8423041017. The cubic root of 5821971139 is about 1798.9676321883.

The spelling of 5821971139 in words is "five billion, eight hundred twenty-one million, nine hundred seventy-one thousand, one hundred thirty-nine".