6403138610 has 16 divisors (see below), whose sum is σ = 12573436032. Its totient is φ = 2328414000.

The previous prime is 6403138601. The next prime is 6403138631. The reversal of 6403138610 is 168313046.

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, 29105066 + ... + 29105285.

It is an arithmetic number, because the mean of its divisors is an integer number (785839752).

Almost surely, 2^6403138610 is an apocalyptic number.

6403138610 is a deficient number, since it is larger than the sum of its proper divisors (6170297422).

6403138610 is a wasteful number, since it uses less digits than its factorization.

6403138610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58210369.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 6403138610 is about 80019.6139080913. The cubic root of 6403138610 is about 1856.9389867021.

The spelling of 6403138610 in words is "six billion, four hundred three million, one hundred thirty-eight thousand, six hundred ten".