6173271944449 has 9 divisors (see below), whose sum is σ = 6181250373571. Its totient is φ = 6165303809800.

The previous prime is 6173271944443. The next prime is 6173271944467. The reversal of 6173271944449 is 9444491723716.

The square root of 6173271944449 is 2484607.

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

It can be written as a sum of positive squares in only one way, i.e., 514867956849 + 5658403987600 = 717543^2 + 2378740^2 .

It is not a de Polignac number, because 6173271944449 - 2³¹ = 6171124460801 is a prime.

It is a super-2 number, since 2×6173271944449² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6173271944443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3247380399 + ... + 3247382299.

Almost surely, 2^{6173271944449} is an apocalyptic number.

6173271944449 is the 2484607-th square number.

6173271944449 is the 1242304-th centered octagonal number.

It is an amenable number.

6173271944449 is a deficient number, since it is larger than the sum of its proper divisors (7978429122).

6173271944449 is an frugal number, since it uses more digits than its factorization.

6173271944449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 3208 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The spelling of 6173271944449 in words is "six trillion, one hundred seventy-three billion, two hundred seventy-one million, nine hundred forty-four thousand, four hundred forty-nine".