6429799699 has 4 divisors (see below), whose sum is σ = 6651516960. Its totient is φ = 6208082440.

The previous prime is 6429799697. The next prime is 6429799723. The reversal of 6429799699 is 9969979246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6429799699 - 2¹ = 6429799697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6429799697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110858587 + ... + 110858644.

It is an arithmetic number, because the mean of its divisors is an integer number (1662879240).

Almost surely, 2^6429799699 is an apocalyptic number.

6429799699 is a deficient number, since it is larger than the sum of its proper divisors (221717261).

6429799699 is a wasteful number, since it uses less digits than its factorization.

6429799699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221717260.

The product of its digits is 119042784, while the sum is 70.

The square root of 6429799699 is about 80186.0318197627. The cubic root of 6429799699 is about 1859.5126964642.

The spelling of 6429799699 in words is "six billion, four hundred twenty-nine million, seven hundred ninety-nine thousand, six hundred ninety-nine".