29189862412 has 24 divisors (see below), whose sum is σ = 54011955200. Its totient is φ = 13764765456.

The previous prime is 29189862389. The next prime is 29189862421. The reversal of 29189862412 is 21426898192.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29189862412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844212 + ... + 878107.

Almost surely, 2^29189862412 is an apocalyptic number.

It is an amenable number.

29189862412 is a deficient number, since it is larger than the sum of its proper divisors (24822092788).

29189862412 is a wasteful number, since it uses less digits than its factorization.

29189862412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722565 (or 1722563 counting only the distinct ones).

The product of its digits is 995328, while the sum is 52.

The spelling of 29189862412 in words is "twenty-nine billion, one hundred eighty-nine million, eight hundred sixty-two thousand, four hundred twelve".