6534138298 has 4 divisors (see below), whose sum is σ = 9801207450. Its totient is φ = 3267069148.

The previous prime is 6534138283. The next prime is 6534138383. The reversal of 6534138298 is 8928314356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4427970849 + 2106167449 = 66543^2 + 45893^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1633534573 + ... + 1633534576.

Almost surely, 2^6534138298 is an apocalyptic number.

6534138298 is a deficient number, since it is larger than the sum of its proper divisors (3267069152).

6534138298 is a wasteful number, since it uses less digits than its factorization.

6534138298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267069151.

The product of its digits is 1244160, while the sum is 49.

The square root of 6534138298 is about 80834.0169606831. The cubic root of 6534138298 is about 1869.5170951297.

The spelling of 6534138298 in words is "six billion, five hundred thirty-four million, one hundred thirty-eight thousand, two hundred ninety-eight".