6418429499 has 2 divisors, whose sum is σ = 6418429500. Its totient is φ = 6418429498.

The previous prime is 6418429489. The next prime is 6418429517. The reversal of 6418429499 is 9949248146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6418429499 - 2³² = 2123462203 is a prime.

It is not a weakly prime, because it can be changed into another prime (6418429439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209214749 + 3209214750.

It is an arithmetic number, because the mean of its divisors is an integer number (3209214750).

Almost surely, 2^6418429499 is an apocalyptic number.

6418429499 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418429499 is an equidigital number, since it uses as much as digits as its factorization.

6418429499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 56.

The square root of 6418429499 is about 80115.1015664338. The cubic root of 6418429499 is about 1858.4159538315.

The spelling of 6418429499 in words is "six billion, four hundred eighteen million, four hundred twenty-nine thousand, four hundred ninety-nine".