839695427481 has 16 divisors (see below), whose sum is σ = 1199846818944. Its totient is φ = 520986115584.

The previous prime is 839695427453. The next prime is 839695427491. The reversal of 839695427481 is 184724596938.

It is a happy number.

It is not a de Polignac number, because 839695427481 - 2¹⁴ = 839695411097 is a prime.

It is a super-2 number, since 2×839695427481² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (839695427411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164450136 + ... + 164455241.

It is an arithmetic number, because the mean of its divisors is an integer number (74990426184).

Almost surely, 2^839695427481 is an apocalyptic number.

It is an amenable number.

839695427481 is a deficient number, since it is larger than the sum of its proper divisors (360151391463).

839695427481 is a wasteful number, since it uses less digits than its factorization.

839695427481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328905440.

The product of its digits is 104509440, while the sum is 66.

The spelling of 839695427481 in words is "eight hundred thirty-nine billion, six hundred ninety-five million, four hundred twenty-seven thousand, four hundred eighty-one".