6458136782 has 4 divisors (see below), whose sum is σ = 9687205176. Its totient is φ = 3229068390.

The previous prime is 6458136779. The next prime is 6458136787. The reversal of 6458136782 is 2876318546.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6458136782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6458136787) by changing a digit.

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, 1614534194 + ... + 1614534197.

It is an arithmetic number, because the mean of its divisors is an integer number (2421801294).

Almost surely, 2^6458136782 is an apocalyptic number.

6458136782 is a deficient number, since it is larger than the sum of its proper divisors (3229068394).

6458136782 is a wasteful number, since it uses less digits than its factorization.

6458136782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229068393.

The product of its digits is 1935360, while the sum is 50.

The square root of 6458136782 is about 80362.5334468744. The cubic root of 6458136782 is about 1862.2404095183.

The spelling of 6458136782 in words is "six billion, four hundred fifty-eight million, one hundred thirty-six thousand, seven hundred eighty-two".