849580841269 has 4 divisors (see below), whose sum is σ = 869338535296. Its totient is φ = 829823147244.

The previous prime is 849580841201. The next prime is 849580841273. The reversal of 849580841269 is 962148085948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 849580841269 - 2¹¹ = 849580839221 is a prime.

It is a super-2 number, since 2×849580841269² (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 849580841269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849580842269) 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, 9878846949 + ... + 9878847034.

It is an arithmetic number, because the mean of its divisors is an integer number (217334633824).

Almost surely, 2^849580841269 is an apocalyptic number.

It is an amenable number.

849580841269 is a deficient number, since it is larger than the sum of its proper divisors (19757694027).

849580841269 is a wasteful number, since it uses less digits than its factorization.

849580841269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757694026.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 849580841269 in words is "eight hundred forty-nine billion, five hundred eighty million, eight hundred forty-one thousand, two hundred sixty-nine".