6503453420 has 24 divisors (see below), whose sum is σ = 14097810048. Its totient is φ = 2517465600.

The previous prime is 6503453417. The next prime is 6503453441. The reversal of 6503453420 is 243543056.

It is a super-2 number, since 2×6503453420² = 84589812772219392800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5244101 + ... + 5245340.

It is an arithmetic number, because the mean of its divisors is an integer number (587408752).

Almost surely, 2^6503453420 is an apocalyptic number.

It is an amenable number.

6503453420 is an abundant number, since it is smaller than the sum of its proper divisors (7594356628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6503453420 is a wasteful number, since it uses less digits than its factorization.

6503453420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489481 (or 10489479 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 6503453420 is about 80643.9918406821. The cubic root of 6503453420 is about 1866.5860308847.

Adding to 6503453420 its reverse (243543056), we get a palindrome (6746996476).

The spelling of 6503453420 in words is "six billion, five hundred three million, four hundred fifty-three thousand, four hundred twenty".