850549490652 has 12 divisors (see below), whose sum is σ = 1984615478216. Its totient is φ = 283516496880.

The previous prime is 850549490579. The next prime is 850549490657. The reversal of 850549490652 is 256094945058.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 850549490592 and 850549490601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850549490657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35439562099 + ... + 35439562122.

Almost surely, 2^850549490652 is an apocalyptic number.

It is an amenable number.

850549490652 is an abundant number, since it is smaller than the sum of its proper divisors (1134065987564).

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

850549490652 is a wasteful number, since it uses less digits than its factorization.

850549490652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70879124228 (or 70879124226 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 850549490652 in words is "eight hundred fifty billion, five hundred forty-nine million, four hundred ninety thousand, six hundred fifty-two".