3129143049 has 8 divisors (see below), whose sum is σ = 4635767520. Its totient is φ = 2086095348.

The previous prime is 3129142997. The next prime is 3129143051. The reversal of 3129143049 is 9403419213.

3129143049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3129143049 - 2⁷ = 3129142921 is a prime.

It is a super-2 number, since 2×3129143049² = 19583072442210032802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3129143089) 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, 57947067 + ... + 57947120.

It is an arithmetic number, because the mean of its divisors is an integer number (579470940).

Almost surely, 2^3129143049 is an apocalyptic number.

It is an amenable number.

3129143049 is a deficient number, since it is larger than the sum of its proper divisors (1506624471).

3129143049 is a wasteful number, since it uses less digits than its factorization.

3129143049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115894196 (or 115894190 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3129143049 is about 55938.7437202517. The cubic root of 3129143049 is about 1462.6546823901.

The spelling of 3129143049 in words is "three billion, one hundred twenty-nine million, one hundred forty-three thousand, forty-nine".