2533145909 has 8 divisors (see below), whose sum is σ = 2895544320. Its totient is φ = 2170877616.

The previous prime is 2533145903. The next prime is 2533145929. The reversal of 2533145909 is 9095413352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2533145909 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 (2533145903) 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, 13547 + ... + 72455.

It is an arithmetic number, because the mean of its divisors is an integer number (361943040).

Almost surely, 2^2533145909 is an apocalyptic number.

It is an amenable number.

2533145909 is a deficient number, since it is larger than the sum of its proper divisors (362398411).

2533145909 is an equidigital number, since it uses as much as digits as its factorization.

2533145909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65059.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 2533145909 is about 50330.3676620785. The cubic root of 2533145909 is about 1363.1806160332.

The spelling of 2533145909 in words is "two billion, five hundred thirty-three million, one hundred forty-five thousand, nine hundred nine".