845298196249 has 16 divisors (see below), whose sum is σ = 913964727312. Its totient is φ = 777154387968.

The previous prime is 845298196229. The next prime is 845298196273. The reversal of 845298196249 is 942691892548.

It can be written as a sum of positive squares in 8 ways, for example, as 350677152400 + 494621043849 = 592180^2 + 703293^2 .

It is a cyclic number.

It is not a de Polignac number, because 845298196249 - 2²¹ = 845296099097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (845298196229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9436857 + ... + 9526009.

It is an arithmetic number, because the mean of its divisors is an integer number (57122795457).

Almost surely, 2^845298196249 is an apocalyptic number.

It is an amenable number.

845298196249 is a deficient number, since it is larger than the sum of its proper divisors (68666531063).

845298196249 is a wasteful number, since it uses less digits than its factorization.

845298196249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92076.

The product of its digits is 89579520, while the sum is 67.

The spelling of 845298196249 in words is "eight hundred forty-five billion, two hundred ninety-eight million, one hundred ninety-six thousand, two hundred forty-nine".