2101353453 has 6 divisors (see below), whose sum is σ = 3035288334. Its totient is φ = 1400902296.

The previous prime is 2101353433. The next prime is 2101353467. The reversal of 2101353453 is 3543531012.

It can be written as a sum of positive squares in only one way, i.e., 1606646889 + 494706564 = 40083^2 + 22242^2 .

It is not a de Polignac number, because 2101353453 - 2⁵ = 2101353421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101353403) 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 5 ways as a sum of consecutive naturals, for example, 116741850 + ... + 116741867.

It is an arithmetic number, because the mean of its divisors is an integer number (505881389).

Almost surely, 2^2101353453 is an apocalyptic number.

It is an amenable number.

2101353453 is a deficient number, since it is larger than the sum of its proper divisors (933934881).

2101353453 is a wasteful number, since it uses less digits than its factorization.

2101353453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233483723 (or 233483720 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2101353453 is about 45840.5219538347. The cubic root of 2101353453 is about 1280.8542176058.

Adding to 2101353453 its reverse (3543531012), we get a palindrome (5644884465).

The spelling of 2101353453 in words is "two billion, one hundred one million, three hundred fifty-three thousand, four hundred fifty-three".