6429911808 has 72 divisors (see below), whose sum is σ = 17124836400. Its totient is φ = 2141814784.

The previous prime is 6429911773. The next prime is 6429911833. The reversal of 6429911808 is 8081199246.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002108 + ... + 2005316.

It is an arithmetic number, because the mean of its divisors is an integer number (237844950).

Almost surely, 2^6429911808 is an apocalyptic number.

It is an amenable number.

6429911808 is an abundant number, since it is smaller than the sum of its proper divisors (10694924592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6429911808 is a wasteful number, since it uses less digits than its factorization.

6429911808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5823 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 6429911808 is about 80186.7308723831. The cubic root of 6429911808 is about 1859.5235037940.

The spelling of 6429911808 in words is "six billion, four hundred twenty-nine million, nine hundred eleven thousand, eight hundred eight".