6891742034 has 16 divisors (see below), whose sum is σ = 10796293440. Its totient is φ = 3293233680.

The previous prime is 6891742009. The next prime is 6891742037. The reversal of 6891742034 is 4302471986.

It is a super-2 number, since 2×6891742034² = 94992216526404914312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6891742037) 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 in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 117755.

It is an arithmetic number, because the mean of its divisors is an integer number (674768340).

Almost surely, 2^6891742034 is an apocalyptic number.

6891742034 is a deficient number, since it is larger than the sum of its proper divisors (3904551406).

6891742034 is a wasteful number, since it uses less digits than its factorization.

6891742034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128065.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 6891742034 is about 83016.5166337398. The cubic root of 6891742034 is about 1903.0184739376.

The spelling of 6891742034 in words is "six billion, eight hundred ninety-one million, seven hundred forty-two thousand, thirty-four".