3144561247 has 8 divisors (see below), whose sum is σ = 3330143712. Its totient is φ = 2959046400.

The previous prime is 3144561241. The next prime is 3144561257. The reversal of 3144561247 is 7421654413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3144561247 - 2¹¹ = 3144559199 is a prime.

It is a super-2 number, since 2×3144561247² = 19776530872268390018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144561241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103347 + ... + 130267.

It is an arithmetic number, because the mean of its divisors is an integer number (416267964).

Almost surely, 2^3144561247 is an apocalyptic number.

3144561247 is a deficient number, since it is larger than the sum of its proper divisors (185582465).

3144561247 is a wasteful number, since it uses less digits than its factorization.

3144561247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33809.

The product of its digits is 80640, while the sum is 37.

The square root of 3144561247 is about 56076.3876065497. The cubic root of 3144561247 is about 1465.0530558893.

The spelling of 3144561247 in words is "three billion, one hundred forty-four million, five hundred sixty-one thousand, two hundred forty-seven".