2853238681509 has 16 divisors (see below), whose sum is σ = 3820102577088. Its totient is φ = 1894270758912.

The previous prime is 2853238681487. The next prime is 2853238681519. The reversal of 2853238681509 is 9051868323582.

It is a happy number.

2853238681509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2853238681509 - 2⁹ = 2853238680997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2853238681519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538699 + ... + 3485895.

It is an arithmetic number, because the mean of its divisors is an integer number (238756411068).

Almost surely, 2^{2853238681509} is an apocalyptic number.

It is an amenable number.

2853238681509 is a deficient number, since it is larger than the sum of its proper divisors (966863895579).

2853238681509 is a wasteful number, since it uses less digits than its factorization.

2853238681509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951364.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 2853238681509 in words is "two trillion, eight hundred fifty-three billion, two hundred thirty-eight million, six hundred eighty-one thousand, five hundred nine".