2857906429 has 6 divisors (see below), whose sum is σ = 3324503454. Its totient is φ = 2449634040.

The previous prime is 2857906411. The next prime is 2857906433. The reversal of 2857906429 is 9246097582.

2857906429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2618368900 + 239537529 = 51170^2 + 15477^2 .

It is not a de Polignac number, because 2857906429 - 2¹⁹ = 2857382141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857106429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29162262 + ... + 29162359.

It is an arithmetic number, because the mean of its divisors is an integer number (554083909).

Almost surely, 2^2857906429 is an apocalyptic number.

It is an amenable number.

2857906429 is a deficient number, since it is larger than the sum of its proper divisors (466597025).

2857906429 is an equidigital number, since it uses as much as digits as its factorization.

2857906429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58324635 (or 58324628 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 2857906429 is about 53459.3904660351. The cubic root of 2857906429 is about 1419.1098085544.

The spelling of 2857906429 in words is "two billion, eight hundred fifty-seven million, nine hundred six thousand, four hundred twenty-nine".