2101833498653 has 6 divisors (see below), whose sum is σ = 2444989988286. Its totient is φ = 1801571570232.

The previous prime is 2101833498647. The next prime is 2101833498679. The reversal of 2101833498653 is 3568943381012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1691360073529 + 410473425124 = 1300523^2 + 640682^2 .

It is not a de Polignac number, because 2101833498653 - 2³² = 2097538531357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101833498595 and 2101833498604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101833498613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21447280550 + ... + 21447280647.

It is an arithmetic number, because the mean of its divisors is an integer number (407498331381).

Almost surely, 2^{2101833498653} is an apocalyptic number.

It is an amenable number.

2101833498653 is a deficient number, since it is larger than the sum of its proper divisors (343156489633).

2101833498653 is an equidigital number, since it uses as much as digits as its factorization.

2101833498653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42894561211 (or 42894561204 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 2101833498653 in words is "two trillion, one hundred one billion, eight hundred thirty-three million, four hundred ninety-eight thousand, six hundred fifty-three".