2529290409 has 4 divisors (see below), whose sum is σ = 3372387216. Its totient is φ = 1686193604.

The previous prime is 2529290389. The next prime is 2529290441. The reversal of 2529290409 is 9040929252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2529290409 - 2²⁴ = 2512513193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2529290479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421548399 + ... + 421548404.

It is an arithmetic number, because the mean of its divisors is an integer number (843096804).

Almost surely, 2^2529290409 is an apocalyptic number.

It is an amenable number.

2529290409 is a deficient number, since it is larger than the sum of its proper divisors (843096807).

2529290409 is an equidigital number, since it uses as much as digits as its factorization.

2529290409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843096806.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2529290409 is about 50292.0511512505. The cubic root of 2529290409 is about 1362.4886685812.

The spelling of 2529290409 in words is "two billion, five hundred twenty-nine million, two hundred ninety thousand, four hundred nine".