2101450453 has 8 divisors (see below), whose sum is σ = 2195755776. Its totient is φ = 2007390000.

The previous prime is 2101450451. The next prime is 2101450459. The reversal of 2101450453 is 3540541012.

It is a happy number.

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 2101450453 - 2¹ = 2101450451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101450451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43558 + ... + 78103.

It is an arithmetic number, because the mean of its divisors is an integer number (274469472).

Almost surely, 2^2101450453 is an apocalyptic number.

2101450453 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2101450453 is a deficient number, since it is larger than the sum of its proper divisors (94305323).

2101450453 is a wasteful number, since it uses less digits than its factorization.

2101450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122435.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2101450453 is about 45841.5799575015. The cubic root of 2101450453 is about 1280.8739256892.

Adding to 2101450453 its reverse (3540541012), we get a palindrome (5641991465).

The spelling of 2101450453 in words is "two billion, one hundred one million, four hundred fifty thousand, four hundred fifty-three".