1836564856383 has 32 divisors (see below), whose sum is σ = 2480419701760. Its totient is φ = 1208622643200.

The previous prime is 1836564856381. The next prime is 1836564856393. The reversal of 1836564856383 is 3836584656381.

It is not a de Polignac number, because 1836564856383 - 2¹ = 1836564856381 is a prime.

It is a super-2 number, since 2×1836564856383² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836564856381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382535583 + ... + 382540383.

It is an arithmetic number, because the mean of its divisors is an integer number (77513115680).

Almost surely, 2^{1836564856383} is an apocalyptic number.

1836564856383 is a deficient number, since it is larger than the sum of its proper divisors (643854845377).

1836564856383 is a wasteful number, since it uses less digits than its factorization.

1836564856383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8599.

The product of its digits is 298598400, while the sum is 66.

The spelling of 1836564856383 in words is "one trillion, eight hundred thirty-six billion, five hundred sixty-four million, eight hundred fifty-six thousand, three hundred eighty-three".