6469943903 has 4 divisors (see below), whose sum is σ = 6495119040. Its totient is φ = 6444768768.

The previous prime is 6469943899. The next prime is 6469943917. The reversal of 6469943903 is 3093499646.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6469943903 - 2² = 6469943899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469943603) 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, 12587183 + ... + 12587696.

It is an arithmetic number, because the mean of its divisors is an integer number (1623779760).

Almost surely, 2^6469943903 is an apocalyptic number.

6469943903 is a deficient number, since it is larger than the sum of its proper divisors (25175137).

6469943903 is a wasteful number, since it uses less digits than its factorization.

6469943903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25175136.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The square root of 6469943903 is about 80435.9615035464. The cubic root of 6469943903 is about 1863.3746020610.

The spelling of 6469943903 in words is "six billion, four hundred sixty-nine million, nine hundred forty-three thousand, nine hundred three".