6503726768 has 60 divisors (see below), whose sum is σ = 15829351440. Its totient is φ = 2533914240.

The previous prime is 6503726741. The next prime is 6503726773. The reversal of 6503726768 is 8676273056.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226403 + ... + 253506.

It is an arithmetic number, because the mean of its divisors is an integer number (263822524).

Almost surely, 2^6503726768 is an apocalyptic number.

It is an amenable number.

6503726768 is an abundant number, since it is smaller than the sum of its proper divisors (9325624672).

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

6503726768 is a wasteful number, since it uses less digits than its factorization.

6503726768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479946 (or 479929 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The square root of 6503726768 is about 80645.6866050504. The cubic root of 6503726768 is about 1866.6121821399.

The spelling of 6503726768 in words is "six billion, five hundred three million, seven hundred twenty-six thousand, seven hundred sixty-eight".