180869413012 has 24 divisors (see below), whose sum is σ = 335158074216. Its totient is φ = 85110524928.

The previous prime is 180869412979. The next prime is 180869413033. The reversal of 180869413012 is 210314968081.

It can be written as a sum of positive squares in 4 ways, for example, as 1266363396 + 179603049616 = 35586^2 + 423796^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180869413012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476048 + ... + 1593880.

It is an arithmetic number, because the mean of its divisors is an integer number (13964919759).

Almost surely, 2^180869413012 is an apocalyptic number.

It is an amenable number.

180869413012 is a deficient number, since it is larger than the sum of its proper divisors (154288661204).

180869413012 is a wasteful number, since it uses less digits than its factorization.

180869413012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140427 (or 140425 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 180869413012 in words is "one hundred eighty billion, eight hundred sixty-nine million, four hundred thirteen thousand, twelve".