868245380381 has 12 divisors (see below), whose sum is σ = 914084097888. Its totient is φ = 823145784384.

The previous prime is 868245380363. The next prime is 868245380399. The reversal of 868245380381 is 183083542868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (868245380363) and next prime (868245380399).

It is a de Polignac number, because none of the positive numbers 2^k-868245380381 is a prime.

It is a super-2 number, since 2×868245380381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868245380341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184495 + ... + 1771868.

It is an arithmetic number, because the mean of its divisors is an integer number (76173674824).

Almost surely, 2^868245380381 is an apocalyptic number.

It is an amenable number.

868245380381 is a deficient number, since it is larger than the sum of its proper divisors (45838717507).

868245380381 is a wasteful number, since it uses less digits than its factorization.

868245380381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956612 (or 2956499 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 868245380381 in words is "eight hundred sixty-eight billion, two hundred forty-five million, three hundred eighty thousand, three hundred eighty-one".