6438145010 has 96 divisors (see below), whose sum is σ = 12990801600. Its totient is φ = 2295216000.

The previous prime is 6438145009. The next prime is 6438145019. The reversal of 6438145010 is 105418346.

It is a super-2 number, since 2×6438145010² = 82899422339575800200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6438145019) 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 47 ways as a sum of consecutive naturals, for example, 16987001 + ... + 16987379.

It is an arithmetic number, because the mean of its divisors is an integer number (135320850).

Almost surely, 2^6438145010 is an apocalyptic number.

6438145010 is an abundant number, since it is smaller than the sum of its proper divisors (6552656590).

6438145010 is a wasteful number, since it uses less digits than its factorization.

6438145010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 6438145010 is about 80238.0521323892. The cubic root of 6438145010 is about 1860.3168429679.

The spelling of 6438145010 in words is "six billion, four hundred thirty-eight million, one hundred forty-five thousand, ten".