6429690928 has 20 divisors (see below), whose sum is σ = 12747237448. Its totient is φ = 3140081280.

The previous prime is 6429690923. The next prime is 6429690983. The reversal of 6429690928 is 8290969246.

It is not an unprimeable number, because it can be changed into a prime (6429690923) 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, 4672053 + ... + 4673428.

Almost surely, 2^6429690928 is an apocalyptic number.

It is an amenable number.

6429690928 is a deficient number, since it is larger than the sum of its proper divisors (6317546520).

6429690928 is a wasteful number, since it uses less digits than its factorization.

6429690928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345532 (or 9345526 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 6429690928 is about 80185.3535753257. The cubic root of 6429690928 is about 1859.5022107982.

The spelling of 6429690928 in words is "six billion, four hundred twenty-nine million, six hundred ninety thousand, nine hundred twenty-eight".