6403120003 has 8 divisors (see below), whose sum is σ = 7320928608. Its totient is φ = 5486080704.

The previous prime is 6403119953. The next prime is 6403120021. The reversal of 6403120003 is 3000213046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6403120003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6403120033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174376 + ... + 207877.

It is an arithmetic number, because the mean of its divisors is an integer number (915116076).

Almost surely, 2^6403120003 is an apocalyptic number.

6403120003 is a deficient number, since it is larger than the sum of its proper divisors (917808605).

6403120003 is a wasteful number, since it uses less digits than its factorization.

6403120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384653.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 6403120003 is about 80019.4976427620. The cubic root of 6403120003 is about 1856.9371879958.

Adding to 6403120003 its reverse (3000213046), we get a palindrome (9403333049).

The spelling of 6403120003 in words is "six billion, four hundred three million, one hundred twenty thousand, three".