6726438892 has 24 divisors (see below), whose sum is σ = 12466231344. Its totient is φ = 3164739072.

The previous prime is 6726438889. The next prime is 6726438899. The reversal of 6726438892 is 2988346276.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6726438899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574723 + ... + 586309.

It is an arithmetic number, because the mean of its divisors is an integer number (519426306).

Almost surely, 2^6726438892 is an apocalyptic number.

It is an amenable number.

6726438892 is a deficient number, since it is larger than the sum of its proper divisors (5739792452).

6726438892 is a wasteful number, since it uses less digits than its factorization.

6726438892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145 (or 20143 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The square root of 6726438892 is about 82014.8699444192. The cubic root of 6726438892 is about 1887.6801124676.

The spelling of 6726438892 in words is "six billion, seven hundred twenty-six million, four hundred thirty-eight thousand, eight hundred ninety-two".