6129199831 has 2 divisors, whose sum is σ = 6129199832. Its totient is φ = 6129199830.

The previous prime is 6129199789. The next prime is 6129199861. The reversal of 6129199831 is 1389919216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6129199831 is a prime.

It is a super-2 number, since 2×6129199831² = 75134181136660857122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6129199861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064599915 + 3064599916.

It is an arithmetic number, because the mean of its divisors is an integer number (3064599916).

Almost surely, 2^6129199831 is an apocalyptic number.

6129199831 is a deficient number, since it is larger than the sum of its proper divisors (1).

6129199831 is an equidigital number, since it uses as much as digits as its factorization.

6129199831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 49.

The square root of 6129199831 is about 78289.2063505564. The cubic root of 6129199831 is about 1830.0709490046.

The spelling of 6129199831 in words is "six billion, one hundred twenty-nine million, one hundred ninety-nine thousand, eight hundred thirty-one".