845269674249 has 64 divisors (see below), whose sum is σ = 1522494425088. Its totient is φ = 402837235200.

The previous prime is 845269674217. The next prime is 845269674251. The reversal of 845269674249 is 942476962548.

It is not a de Polignac number, because 845269674249 - 2⁵ = 845269674217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 845269674249.

It is not an unprimeable number, because it can be changed into a prime (845269674289) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373932 + ... + 1352909.

It is an arithmetic number, because the mean of its divisors is an integer number (23788975392).

Almost surely, 2^845269674249 is an apocalyptic number.

It is an amenable number.

845269674249 is a deficient number, since it is larger than the sum of its proper divisors (677224750839).

845269674249 is a wasteful number, since it uses less digits than its factorization.

845269674249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727038.

The product of its digits is 209018880, while the sum is 66.

The spelling of 845269674249 in words is "eight hundred forty-five billion, two hundred sixty-nine million, six hundred seventy-four thousand, two hundred forty-nine".