1844295985225 has 6 divisors (see below), whose sum is σ = 2286927021710. Its totient is φ = 1475436788160.

The previous prime is 1844295985219. The next prime is 1844295985291. The reversal of 1844295985225 is 5225895924481.

It can be written as a sum of positive squares in 3 ways, for example, as 54017197056 + 1790278788169 = 232416^2 + 1338013^2 .

It is not a de Polignac number, because 1844295985225 - 2¹⁹ = 1844295460937 is a prime.

It is a super-2 number, since 2×1844295985225² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36885919680 + ... + 36885919729.

Almost surely, 2^{1844295985225} is an apocalyptic number.

It is an amenable number.

1844295985225 is a deficient number, since it is larger than the sum of its proper divisors (442631036485).

1844295985225 is an equidigital number, since it uses as much as digits as its factorization.

1844295985225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73771839419 (or 73771839414 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 64.

The spelling of 1844295985225 in words is "one trillion, eight hundred forty-four billion, two hundred ninety-five million, nine hundred eighty-five thousand, two hundred twenty-five".