2011839453 has 24 divisors (see below), whose sum is σ = 3294243680. Its totient is φ = 1172892960.

The previous prime is 2011839439. The next prime is 2011839493. The reversal of 2011839453 is 3549381102.

2011839453 is a `hidden beast` number, since 20 + 1 + 183 + 9 + 453 = 666.

It is not a de Polignac number, because 2011839453 - 2⁴ = 2011839437 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011839493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450283 + ... + 454728.

Almost surely, 2^2011839453 is an apocalyptic number.

It is an amenable number.

2011839453 is a deficient number, since it is larger than the sum of its proper divisors (1282404227).

2011839453 is a wasteful number, since it uses less digits than its factorization.

2011839453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905049 (or 905046 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2011839453 is about 44853.5333390804. The cubic root of 2011839453 is about 1262.4022895722.

The spelling of 2011839453 in words is "two billion, eleven million, eight hundred thirty-nine thousand, four hundred fifty-three".