1835171449225 has 9 divisors (see below), whose sum is σ = 2275620996117. Its totient is φ = 1468131740640.

The previous prime is 1835171449211. The next prime is 1835171449229. The reversal of 1835171449225 is 5229441715381.

The square root of 1835171449225 is 1354685.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 231209990649 + 1603961458576 = 480843^2 + 1266476^2 .

It is not a de Polignac number, because 1835171449225 - 2¹¹ = 1835171447177 is a prime.

It is a super-4 number, since 4×1835171449225⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1835171449229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6637957 + ... + 6908893.

Almost surely, 2^{1835171449225} is an apocalyptic number.

1835171449225 is the 1354685-th square number.

1835171449225 is the 677343-rd centered octagonal number.

It is an amenable number.

1835171449225 is a deficient number, since it is larger than the sum of its proper divisors (440449546892).

1835171449225 is an frugal number, since it uses more digits than its factorization.

1835171449225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541884 (or 270942 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The spelling of 1835171449225 in words is "one trillion, eight hundred thirty-five billion, one hundred seventy-one million, four hundred forty-nine thousand, two hundred twenty-five".