6494990803 has 4 divisors (see below), whose sum is σ = 7422846640. Its totient is φ = 5567134968.

The previous prime is 6494990797. The next prime is 6494990809. The reversal of 6494990803 is 3080994946.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6494990797) and next prime (6494990809).

It is a cyclic number.

It is not a de Polignac number, because 6494990803 - 2²¹ = 6492893651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6494990809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463927908 + ... + 463927921.

It is an arithmetic number, because the mean of its divisors is an integer number (1855711660).

Almost surely, 2^6494990803 is an apocalyptic number.

6494990803 is a deficient number, since it is larger than the sum of its proper divisors (927855837).

6494990803 is an equidigital number, since it uses as much as digits as its factorization.

6494990803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927855836.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 6494990803 is about 80591.5057744921. The cubic root of 6494990803 is about 1865.7760479307.

The spelling of 6494990803 in words is "six billion, four hundred ninety-four million, nine hundred ninety thousand, eight hundred three".