2011901834 has 8 divisors (see below), whose sum is σ = 3082062528. Its totient is φ = 984547660.

The previous prime is 2011901821. The next prime is 2011901851. The reversal of 2011901834 is 4381091102.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011901797 and 2011901806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10701512 + ... + 10701699.

It is an arithmetic number, because the mean of its divisors is an integer number (385257816).

Almost surely, 2^2011901834 is an apocalyptic number.

2011901834 is a deficient number, since it is larger than the sum of its proper divisors (1070160694).

2011901834 is a wasteful number, since it uses less digits than its factorization.

2011901834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21403260.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2011901834 is about 44854.2287192635. The cubic root of 2011901834 is about 1262.4153371845.

Adding to 2011901834 its reverse (4381091102), we get a palindrome (6392992936).

The spelling of 2011901834 in words is "two billion, eleven million, nine hundred one thousand, eight hundred thirty-four".