6430735776 has 24 divisors (see below), whose sum is σ = 16880681664. Its totient is φ = 2143578560.

The previous prime is 6430735771. The next prime is 6430735793. The reversal of 6430735776 is 6775370346.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (6430735771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33493320 + ... + 33493511.

It is an arithmetic number, because the mean of its divisors is an integer number (703361736).

Almost surely, 2^6430735776 is an apocalyptic number.

It is an amenable number.

6430735776 is an abundant number, since it is smaller than the sum of its proper divisors (10449945888).

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

6430735776 is a wasteful number, since it uses less digits than its factorization.

6430735776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66986844 (or 66986836 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 48.

The square root of 6430735776 is about 80191.8685154549. The cubic root of 6430735776 is about 1859.6029306179.

The spelling of 6430735776 in words is "six billion, four hundred thirty million, seven hundred thirty-five thousand, seven hundred seventy-six".