281968713426 has 16 divisors (see below), whose sum is σ = 565095415104. Its totient is φ = 93796573104.

The previous prime is 281968713421. The next prime is 281968713427. The reversal of 281968713426 is 624317869182.

It is a happy number.

It is a super-2 number, since 2×281968713426² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (281968713421) 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, 48246345 + ... + 48252188.

It is an arithmetic number, because the mean of its divisors is an integer number (35318463444).

Almost surely, 2^281968713426 is an apocalyptic number.

281968713426 is an abundant number, since it is smaller than the sum of its proper divisors (283126701678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281968713426 is a wasteful number, since it uses less digits than its factorization.

281968713426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96499025.

The product of its digits is 6967296, while the sum is 57.

The spelling of 281968713426 in words is "two hundred eighty-one billion, nine hundred sixty-eight million, seven hundred thirteen thousand, four hundred twenty-six".