6981289763 has 8 divisors (see below), whose sum is σ = 7984865280. Its totient is φ = 5979276360.

The previous prime is 6981289729. The next prime is 6981289769. The reversal of 6981289763 is 3679821896.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6981289763 - 2⁸ = 6981289507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6981289769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380933 + ... + 398838.

It is an arithmetic number, because the mean of its divisors is an integer number (998108160).

Almost surely, 2^6981289763 is an apocalyptic number.

6981289763 is a deficient number, since it is larger than the sum of its proper divisors (1003575517).

6981289763 is a wasteful number, since it uses less digits than its factorization.

6981289763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781057.

The product of its digits is 7838208, while the sum is 59.

The square root of 6981289763 is about 83554.1127832736. The cubic root of 6981289763 is about 1911.2253098169.

The spelling of 6981289763 in words is "six billion, nine hundred eighty-one million, two hundred eighty-nine thousand, seven hundred sixty-three".