850242504981 has 16 divisors (see below), whose sum is σ = 1159310214080. Its totient is φ = 554115582720.

The previous prime is 850242504919. The next prime is 850242505003. The reversal of 850242504981 is 189405242058.

850242504981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 850242504981 - 2¹¹ = 850242502933 is a prime.

It is a super-2 number, since 2×850242504981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 850242504981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850242504901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14222116 + ... + 14281773.

It is an arithmetic number, because the mean of its divisors is an integer number (72456888380).

Almost surely, 2^850242504981 is an apocalyptic number.

It is an amenable number.

850242504981 is a deficient number, since it is larger than the sum of its proper divisors (309067709099).

850242504981 is a wasteful number, since it uses less digits than its factorization.

850242504981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504116.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 850242504981 in words is "eight hundred fifty billion, two hundred forty-two million, five hundred four thousand, nine hundred eighty-one".