3144872747 has 4 divisors (see below), whose sum is σ = 3146714640. Its totient is φ = 3143030856.

The previous prime is 3144872719. The next prime is 3144872749. The reversal of 3144872747 is 7472784413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7472784413 = 6863 ⋅1088851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144872747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3144872749) 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, 918383 + ... + 921800.

It is an arithmetic number, because the mean of its divisors is an integer number (786678660).

Almost surely, 2^3144872747 is an apocalyptic number.

3144872747 is a deficient number, since it is larger than the sum of its proper divisors (1841893).

3144872747 is a wasteful number, since it uses less digits than its factorization.

3144872747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841892.

The product of its digits is 1053696, while the sum is 47.

The square root of 3144872747 is about 56079.1649991331. The cubic root of 3144872747 is about 1465.1014303071.

The spelling of 3144872747 in words is "three billion, one hundred forty-four million, eight hundred seventy-two thousand, seven hundred forty-seven".