2135782605849 has 16 divisors (see below), whose sum is σ = 2869630974144. Its totient is φ = 1412936409600.

The previous prime is 2135782605799. The next prime is 2135782605851. The reversal of 2135782605849 is 9485062875312.

It is not a de Polignac number, because 2135782605849 - 2¹⁶ = 2135782540313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2135782605792 and 2135782605801.

It is not an unprimeable number, because it can be changed into a prime (2135782605149) 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, 5014572 + ... + 5423789.

It is an arithmetic number, because the mean of its divisors is an integer number (179351935884).

It is a 1-persistent number, because it is pandigital, but 2⋅2135782605849 = 4271565211698 is not.

Almost surely, 2^{2135782605849} is an apocalyptic number.

It is an amenable number.

2135782605849 is a deficient number, since it is larger than the sum of its proper divisors (733848368295).

2135782605849 is a wasteful number, since it uses less digits than its factorization.

2135782605849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438888.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 2135782605849 in words is "two trillion, one hundred thirty-five billion, seven hundred eighty-two million, six hundred five thousand, eight hundred forty-nine".