13851046586 has 12 divisors (see below), whose sum is σ = 22375737006. Its totient is φ = 6392513760.

The previous prime is 13851046571. The next prime is 13851046589. The reversal of 13851046586 is 68564015831.

It can be written as a sum of positive squares in 3 ways, for example, as 9431323225 + 4419723361 = 97115^2 + 66481^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13851046586.

It is not an unprimeable number, because it can be changed into a prime (13851046589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 588566 + ... + 611646.

Almost surely, 2^13851046586 is an apocalyptic number.

13851046586 is a deficient number, since it is larger than the sum of its proper divisors (8524690420).

13851046586 is an frugal number, since it uses more digits than its factorization.

13851046586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46177 (or 23096 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 13851046586 in words is "thirteen billion, eight hundred fifty-one million, forty-six thousand, five hundred eighty-six".