6637284493 has 8 divisors (see below), whose sum is σ = 7746861312. Its totient is φ = 5568056016.

The previous prime is 6637284463. The next prime is 6637284529. The reversal of 6637284493 is 3944827366.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6637284493 - 2²⁵ = 6603730061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6637284493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6637284413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086730 + ... + 10087387.

It is an arithmetic number, because the mean of its divisors is an integer number (968357664).

Almost surely, 2^6637284493 is an apocalyptic number.

It is an amenable number.

6637284493 is a deficient number, since it is larger than the sum of its proper divisors (1109576819).

6637284493 is a wasteful number, since it uses less digits than its factorization.

6637284493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174171.

The product of its digits is 5225472, while the sum is 52.

The square root of 6637284493 is about 81469.5310714380. The cubic root of 6637284493 is about 1879.3030173450.

The spelling of 6637284493 in words is "six billion, six hundred thirty-seven million, two hundred eighty-four thousand, four hundred ninety-three".