2929871439 has 32 divisors (see below), whose sum is σ = 4850657280. Its totient is φ = 1732363200.

The previous prime is 2929871437. The next prime is 2929871449. The reversal of 2929871439 is 9341789292.

2929871439 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 2929871439 - 2¹ = 2929871437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929871437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108127 + ... + 132480.

It is an arithmetic number, because the mean of its divisors is an integer number (151583040).

Almost surely, 2^2929871439 is an apocalyptic number.

2929871439 is a deficient number, since it is larger than the sum of its proper divisors (1920785841).

2929871439 is a wasteful number, since it uses less digits than its factorization.

2929871439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240668 (or 240662 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2929871439 is about 54128.2868655567. The cubic root of 2929871439 is about 1430.9227485338.

The spelling of 2929871439 in words is "two billion, nine hundred twenty-nine million, eight hundred seventy-one thousand, four hundred thirty-nine".