899959651289042 has 32 divisors (see below), whose sum is σ = 1367621341214400. Its totient is φ = 444125331218880.

The previous prime is 899959651289009. The next prime is 899959651289059. The reversal of 899959651289042 is 240982156959998.

It is a happy number.

899959651289042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231861917 + ... + 235711407.

It is an arithmetic number, because the mean of its divisors is an integer number (42738166912950).

Almost surely, 2^{899959651289042} is an apocalyptic number.

899959651289042 is a deficient number, since it is larger than the sum of its proper divisors (467661689925358).

899959651289042 is a wasteful number, since it uses less digits than its factorization.

899959651289042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854618.

The product of its (nonzero) digits is 9069926400, while the sum is 86.

The spelling of 899959651289042 in words is "eight hundred ninety-nine trillion, nine hundred fifty-nine billion, six hundred fifty-one million, two hundred eighty-nine thousand, forty-two".