6891119606963 has 4 divisors (see below), whose sum is σ = 6915469853208. Its totient is φ = 6866769360720.

The previous prime is 6891119606897. The next prime is 6891119606981. The reversal of 6891119606963 is 3696069111986.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6891119606963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6891119606963.

It is not an unprimeable number, because it can be changed into a prime (6891119606983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12175122698 + ... + 12175123263.

It is an arithmetic number, because the mean of its divisors is an integer number (1728867463302).

Almost surely, 2^{6891119606963} is an apocalyptic number.

6891119606963 is a deficient number, since it is larger than the sum of its proper divisors (24350246245).

6891119606963 is a wasteful number, since it uses less digits than its factorization.

6891119606963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24350246244.

The product of its (nonzero) digits is 22674816, while the sum is 65.

The spelling of 6891119606963 in words is "six trillion, eight hundred ninety-one billion, one hundred nineteen million, six hundred six thousand, nine hundred sixty-three".