2029875409 has 2 divisors, whose sum is σ = 2029875410. Its totient is φ = 2029875408.

The previous prime is 2029875401. The next prime is 2029875439. The reversal of 2029875409 is 9045789202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1501795009 + 528080400 = 38753^2 + 22980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029875409 - 2³ = 2029875401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2029875401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014937704 + 1014937705.

It is an arithmetic number, because the mean of its divisors is an integer number (1014937705).

Almost surely, 2^2029875409 is an apocalyptic number.

It is an amenable number.

2029875409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029875409 is an equidigital number, since it uses as much as digits as its factorization.

2029875409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2029875409 is about 45054.1386445241. The cubic root of 2029875409 is about 1266.1635124022.

The spelling of 2029875409 in words is "two billion, twenty-nine million, eight hundred seventy-five thousand, four hundred nine".