2101833498641 has 2 divisors, whose sum is σ = 2101833498642. Its totient is φ = 2101833498640.

The previous prime is 2101833498617. The next prime is 2101833498647. The reversal of 2101833498641 is 1468943381012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1686673638400 + 415159860241 = 1298720^2 + 644329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101833498641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101833498641.

It is not a weakly prime, because it can be changed into another prime (2101833498647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050916749320 + 1050916749321.

It is an arithmetic number, because the mean of its divisors is an integer number (1050916749321).

Almost surely, 2^{2101833498641} is an apocalyptic number.

It is an amenable number.

2101833498641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101833498641 is an equidigital number, since it uses as much as digits as its factorization.

2101833498641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 2101833498641 in words is "two trillion, one hundred one billion, eight hundred thirty-three million, four hundred ninety-eight thousand, six hundred forty-one".