6429699790 has 32 divisors (see below), whose sum is σ = 11946727584. Its totient is φ = 2489639040.

The previous prime is 6429699779. The next prime is 6429699797. The reversal of 6429699790 is 979969246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429699797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28785 + ... + 116995.

It is an arithmetic number, because the mean of its divisors is an integer number (373335237).

Almost surely, 2^6429699790 is an apocalyptic number.

6429699790 is a deficient number, since it is larger than the sum of its proper divisors (5517027794).

6429699790 is a wasteful number, since it uses less digits than its factorization.

6429699790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88452.

The product of its (nonzero) digits is 13226976, while the sum is 61.

The square root of 6429699790 is about 80185.4088347749. The cubic root of 6429699790 is about 1859.5030651110.

The spelling of 6429699790 in words is "six billion, four hundred twenty-nine million, six hundred ninety-nine thousand, seven hundred ninety".