3144449197 has 4 divisors (see below), whose sum is σ = 3144748860. Its totient is φ = 3144149536.

The previous prime is 3144449177. The next prime is 3144449249. The reversal of 3144449197 is 7919444413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1014995881 + 2129453316 = 31859^2 + 46146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144449197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144449177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133498 + ... + 155275.

It is an arithmetic number, because the mean of its divisors is an integer number (786187215).

Almost surely, 2^3144449197 is an apocalyptic number.

It is an amenable number.

3144449197 is a deficient number, since it is larger than the sum of its proper divisors (299663).

3144449197 is a wasteful number, since it uses less digits than its factorization.

3144449197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299662.

The product of its digits is 435456, while the sum is 46.

The square root of 3144449197 is about 56075.3885140353. The cubic root of 3144449197 is about 1465.0356542942.

The spelling of 3144449197 in words is "three billion, one hundred forty-four million, four hundred forty-nine thousand, one hundred ninety-seven".