6894751126 has 4 divisors (see below), whose sum is σ = 10342126692. Its totient is φ = 3447375562.

The previous prime is 6894751099. The next prime is 6894751139. The reversal of 6894751126 is 6211574986.

It is a happy number.

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

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 a self number, because there is not a number n which added to its sum of digits gives 6894751126.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1723687780 + ... + 1723687783.

It is an arithmetic number, because the mean of its divisors is an integer number (2585531673).

Almost surely, 2^6894751126 is an apocalyptic number.

6894751126 is a deficient number, since it is larger than the sum of its proper divisors (3447375566).

6894751126 is a wasteful number, since it uses less digits than its factorization.

6894751126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447375565.

The product of its digits is 725760, while the sum is 49.

The square root of 6894751126 is about 83034.6381096467. The cubic root of 6894751126 is about 1903.2954007494.

The spelling of 6894751126 in words is "six billion, eight hundred ninety-four million, seven hundred fifty-one thousand, one hundred twenty-six".