6969891888481 has 8 divisors (see below), whose sum is σ = 6972527360000. Its totient is φ = 6967256765760.

The previous prime is 6969891888473. The next prime is 6969891888493. The reversal of 6969891888481 is 1848881989696.

It is a happy number.

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 6969891888481 - 2³ = 6969891888473 is a prime.

It is a super-2 number, since 2×6969891888481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6969891888461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44034520 + ... + 44192518.

It is an arithmetic number, because the mean of its divisors is an integer number (871565920000).

Almost surely, 2^{6969891888481} is an apocalyptic number.

It is an amenable number.

6969891888481 is a deficient number, since it is larger than the sum of its proper divisors (2635471519).

6969891888481 is a wasteful number, since it uses less digits than its factorization.

6969891888481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174399.

The product of its digits is 3439853568, while the sum is 85.

The spelling of 6969891888481 in words is "six trillion, nine hundred sixty-nine billion, eight hundred ninety-one million, eight hundred eighty-eight thousand, four hundred eighty-one".