6503431053 has 32 divisors (see below), whose sum is σ = 10047744000. Its totient is φ = 3664754496.

The previous prime is 6503431049. The next prime is 6503431061. The reversal of 6503431053 is 3501343056.

It is a happy number.

It is not a de Polignac number, because 6503431053 - 2² = 6503431049 is a prime.

It is a super-2 number, since 2×6503431053² = 84589230922249377618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6503431053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503431153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040943 + ... + 1047171.

It is an arithmetic number, because the mean of its divisors is an integer number (313992000).

Almost surely, 2^6503431053 is an apocalyptic number.

It is an amenable number.

6503431053 is a deficient number, since it is larger than the sum of its proper divisors (3544312947).

6503431053 is a wasteful number, since it uses less digits than its factorization.

6503431053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 6503431053 is about 80643.8531631519. The cubic root of 6503431053 is about 1866.5838909971.

The spelling of 6503431053 in words is "six billion, five hundred three million, four hundred thirty-one thousand, fifty-three".