2011454653 has 8 divisors (see below), whose sum is σ = 2169039096. Its totient is φ = 1854278400.

The previous prime is 2011454597. The next prime is 2011454681. The reversal of 2011454653 is 3564541102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2442969 + 2009011684 = 1563^2 + 44822^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2011454653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018454653) 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, 91768 + ... + 111553.

It is an arithmetic number, because the mean of its divisors is an integer number (271129887).

Almost surely, 2^2011454653 is an apocalyptic number.

It is an amenable number.

2011454653 is a deficient number, since it is larger than the sum of its proper divisors (157584443).

2011454653 is a wasteful number, since it uses less digits than its factorization.

2011454653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204095.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2011454653 is about 44849.2436168103. The cubic root of 2011454653 is about 1262.3217988262.

Adding to 2011454653 its reverse (3564541102), we get a palindrome (5575995755).

The spelling of 2011454653 in words is "two billion, eleven million, four hundred fifty-four thousand, six hundred fifty-three".