6503255144 has 16 divisors (see below), whose sum is σ = 12586945920. Its totient is φ = 3146736240.

The previous prime is 6503255137. The next prime is 6503255147. The reversal of 6503255144 is 4415523056.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6503255147) 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 3 ways as a sum of consecutive naturals, for example, 13111154 + ... + 13111649.

It is an arithmetic number, because the mean of its divisors is an integer number (786684120).

Almost surely, 2^6503255144 is an apocalyptic number.

It is an amenable number.

6503255144 is a deficient number, since it is larger than the sum of its proper divisors (6083690776).

6503255144 is a wasteful number, since it uses less digits than its factorization.

6503255144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222840 (or 26222836 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 6503255144 is about 80642.7625022853. The cubic root of 6503255144 is about 1866.5670613235.

The spelling of 6503255144 in words is "six billion, five hundred three million, two hundred fifty-five thousand, one hundred forty-four".