1834408890913 has 8 divisors (see below), whose sum is σ = 1898385172200. Its totient is φ = 1770480663168.

The previous prime is 1834408890911. The next prime is 1834408890929. The reversal of 1834408890913 is 3190988044381.

It can be written as a sum of positive squares in 4 ways, for example, as 95724028449 + 1738684862464 = 309393^2 + 1318592^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1834408890913 - 2¹ = 1834408890911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1834408890911) 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, 11935698 + ... + 12088411.

It is an arithmetic number, because the mean of its divisors is an integer number (237298146525).

Almost surely, 2^{1834408890913} is an apocalyptic number.

It is an amenable number.

1834408890913 is a deficient number, since it is larger than the sum of its proper divisors (63976281287).

1834408890913 is a wasteful number, since it uses less digits than its factorization.

1834408890913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24026771.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 1834408890913 in words is "one trillion, eight hundred thirty-four billion, four hundred eight million, eight hundred ninety thousand, nine hundred thirteen".