6842831129 has 2 divisors, whose sum is σ = 6842831130. Its totient is φ = 6842831128.

The previous prime is 6842831123. The next prime is 6842831137. The reversal of 6842831129 is 9211382486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5435080729 + 1407750400 = 73723^2 + 37520^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842831129 - 2¹⁶ = 6842765593 is a prime.

It is a super-2 number, since 2×6842831129² = 93648675720022829282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6842831129.

It is not a weakly prime, because it can be changed into another prime (6842831123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421415564 + 3421415565.

It is an arithmetic number, because the mean of its divisors is an integer number (3421415565).

Almost surely, 2^6842831129 is an apocalyptic number.

It is an amenable number.

6842831129 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842831129 is an equidigital number, since it uses as much as digits as its factorization.

6842831129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 6842831129 is about 82721.4067155534. The cubic root of 6842831129 is about 1898.5058547790.

The spelling of 6842831129 in words is "six billion, eight hundred forty-two million, eight hundred thirty-one thousand, one hundred twenty-nine".