2545709129 has 8 divisors (see below), whose sum is σ = 2680707840. Its totient is φ = 2410811856.

The previous prime is 2545709123. The next prime is 2545709137. The reversal of 2545709129 is 9219075452.

2545709129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545709129 - 2⁸ = 2545708873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545709129.

It is not an unprimeable number, because it can be changed into a prime (2545709123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29192 + ... + 77094.

It is an arithmetic number, because the mean of its divisors is an integer number (335088480).

Almost surely, 2^2545709129 is an apocalyptic number.

It is an amenable number.

2545709129 is a deficient number, since it is larger than the sum of its proper divisors (134998711).

2545709129 is a wasteful number, since it uses less digits than its factorization.

2545709129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50719.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 2545709129 is about 50455.0208502583. The cubic root of 2545709129 is about 1365.4304803163.

The spelling of 2545709129 in words is "two billion, five hundred forty-five million, seven hundred nine thousand, one hundred twenty-nine".