3144467881 has 2 divisors, whose sum is σ = 3144467882. Its totient is φ = 3144467880.

The previous prime is 3144467867. The next prime is 3144467891. The reversal of 3144467881 is 1887644413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2172026025 + 972441856 = 46605^2 + 31184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3144467881 - 2¹¹ = 3144465833 is a prime.

It is a super-2 number, since 2×3144467881² = 19775356509281260322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3144467891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572233940 + 1572233941.

It is an arithmetic number, because the mean of its divisors is an integer number (1572233941).

Almost surely, 2^3144467881 is an apocalyptic number.

It is an amenable number.

3144467881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144467881 is an equidigital number, since it uses as much as digits as its factorization.

3144467881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 46.

The square root of 3144467881 is about 56075.5551109394. Note that the first 3 decimals coincide. The cubic root of 3144467881 is about 1465.0385559865.

The spelling of 3144467881 in words is "three billion, one hundred forty-four million, four hundred sixty-seven thousand, eight hundred eighty-one".