6503798493 has 12 divisors (see below), whose sum is σ = 9491226108. Its totient is φ = 4291165440.

The previous prime is 6503798489. The next prime is 6503798531. The reversal of 6503798493 is 3948973056.

6503798493 is a `hidden beast` number, since 6 + 503 + 7 + 98 + 49 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5341124889 + 1162673604 = 73083^2 + 34098^2 .

It is not a de Polignac number, because 6503798493 - 2² = 6503798489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503798423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3724098 + ... + 3725843.

It is an arithmetic number, because the mean of its divisors is an integer number (790935509).

Almost surely, 2^6503798493 is an apocalyptic number.

It is an amenable number.

6503798493 is a deficient number, since it is larger than the sum of its proper divisors (2987427615).

6503798493 is a wasteful number, since it uses less digits than its factorization.

6503798493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450044 (or 7450041 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 6503798493 is about 80646.1312959276. The cubic root of 6503798493 is about 1866.6190439629.

The spelling of 6503798493 in words is "six billion, five hundred three million, seven hundred ninety-eight thousand, four hundred ninety-three".