3143744761 has 2 divisors, whose sum is σ = 3143744762. Its totient is φ = 3143744760.

The previous prime is 3143744759. The next prime is 3143744809. The reversal of 3143744761 is 1674473413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3141042025 + 2702736 = 56045^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143744761 - 2¹ = 3143744759 is a prime.

It is a super-2 number, since 2×3143744761² = 19766262244629894242, which contains 22 as substring.

Together with 3143744759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3143744561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571872380 + 1571872381.

It is an arithmetic number, because the mean of its divisors is an integer number (1571872381).

Almost surely, 2^3143744761 is an apocalyptic number.

It is an amenable number.

3143744761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3143744761 is an equidigital number, since it uses as much as digits as its factorization.

3143744761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

The square root of 3143744761 is about 56069.1070109022. The cubic root of 3143744761 is about 1464.9262444668.

The spelling of 3143744761 in words is "three billion, one hundred forty-three million, seven hundred forty-four thousand, seven hundred sixty-one".