6429861799 has 2 divisors, whose sum is σ = 6429861800. Its totient is φ = 6429861798.

The previous prime is 6429861793. The next prime is 6429861811. The reversal of 6429861799 is 9971689246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6429861799 - 2⁷ = 6429861671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6429861793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214930899 + 3214930900.

It is an arithmetic number, because the mean of its divisors is an integer number (3214930900).

Almost surely, 2^6429861799 is an apocalyptic number.

6429861799 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429861799 is an equidigital number, since it uses as much as digits as its factorization.

6429861799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 6429861799 is about 80186.4190433767. The cubic root of 6429861799 is about 1859.5186829320.

The spelling of 6429861799 in words is "six billion, four hundred twenty-nine million, eight hundred sixty-one thousand, seven hundred ninety-nine".