834790489632 has 144 divisors (see below), whose sum is σ = 2673288334080. Its totient is φ = 244806566400.

The previous prime is 834790489597. The next prime is 834790489747. The reversal of 834790489632 is 236984097438.

834790489632 is a `hidden beast` number, since 8 + 3 + 4 + 7 + 90 + 489 + 63 + 2 = 666.

834790489632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 834790489632.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4151907 + ... + 4348322.

It is an arithmetic number, because the mean of its divisors is an integer number (18564502320).

Almost surely, 2^834790489632 is an apocalyptic number.

It is an amenable number.

834790489632 is an abundant number, since it is smaller than the sum of its proper divisors (1838497844448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834790489632 is a wasteful number, since it uses less digits than its factorization.

834790489632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500287 (or 8500276 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 834790489632 in words is "eight hundred thirty-four billion, seven hundred ninety million, four hundred eighty-nine thousand, six hundred thirty-two".