6430145064 has 64 divisors (see below), whose sum is σ = 18495216000. Its totient is φ = 1824847104.

The previous prime is 6430145047. The next prime is 6430145077. The reversal of 6430145064 is 4605410346.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103407 + ... + 153470.

It is an arithmetic number, because the mean of its divisors is an integer number (288987750).

Almost surely, 2^6430145064 is an apocalyptic number.

It is an amenable number.

6430145064 is an abundant number, since it is smaller than the sum of its proper divisors (12065070936).

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

6430145064 is a wasteful number, since it uses less digits than its factorization.

6430145064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257042 (or 257038 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6430145064 is about 80188.1853142968. The cubic root of 6430145064 is about 1859.5459893159.

The spelling of 6430145064 in words is "six billion, four hundred thirty million, one hundred forty-five thousand, sixty-four".