1838535950839 has 32 divisors (see below), whose sum is σ = 2150672477184. Its totient is φ = 1539050872320.

The previous prime is 1838535950819. The next prime is 1838535950851. The reversal of 1838535950839 is 9380595358381.

It is a cyclic number.

It is not a de Polignac number, because 1838535950839 - 2⁵ = 1838535950807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838535950819) 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, 345392032 + ... + 345397354.

It is an arithmetic number, because the mean of its divisors is an integer number (67208514912).

Almost surely, 2^{1838535950839} is an apocalyptic number.

1838535950839 is a deficient number, since it is larger than the sum of its proper divisors (312136526345).

1838535950839 is a wasteful number, since it uses less digits than its factorization.

1838535950839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487.

The product of its (nonzero) digits is 139968000, while the sum is 67.

The spelling of 1838535950839 in words is "one trillion, eight hundred thirty-eight billion, five hundred thirty-five million, nine hundred fifty thousand, eight hundred thirty-nine".