3129389263 has 24 divisors (see below), whose sum is σ = 4276737360. Its totient is φ = 2250904320.

The previous prime is 3129389251. The next prime is 3129389273. The reversal of 3129389263 is 3629839213.

It is not a de Polignac number, because 3129389263 - 2⁵ = 3129389231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129389233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216298 + ... + 230311.

It is an arithmetic number, because the mean of its divisors is an integer number (178197390).

Almost surely, 2^3129389263 is an apocalyptic number.

3129389263 is a deficient number, since it is larger than the sum of its proper divisors (1147348097).

3129389263 is a wasteful number, since it uses less digits than its factorization.

3129389263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446647 (or 446640 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 3129389263 is about 55940.9444235615. The cubic root of 3129389263 is about 1462.6930439702.

The spelling of 3129389263 in words is "three billion, one hundred twenty-nine million, three hundred eighty-nine thousand, two hundred sixty-three".