849489780992 has 36 divisors (see below), whose sum is σ = 1769385656640. Its totient is φ = 406277718528.

The previous prime is 849489780941. The next prime is 849489781003. The reversal of 849489780992 is 299087984948.

It is a super-2 number, since 2×849489780992² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72131492 + ... + 72143267.

Almost surely, 2^849489780992 is an apocalyptic number.

It is an amenable number.

849489780992 is an abundant number, since it is smaller than the sum of its proper divisors (919895875648).

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

849489780992 is a wasteful number, since it uses less digits than its factorization.

849489780992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144274798 (or 144274784 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 77.

The spelling of 849489780992 in words is "eight hundred forty-nine billion, four hundred eighty-nine million, seven hundred eighty thousand, nine hundred ninety-two".