2100885496613 has 2 divisors, whose sum is σ = 2100885496614. Its totient is φ = 2100885496612.

The previous prime is 2100885496603. The next prime is 2100885496673. The reversal of 2100885496613 is 3166945880012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2096886451969 + 3999044644 = 1448063^2 + 63238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100885496613 - 2⁴ = 2100885496597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100885496603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050442748306 + 1050442748307.

It is an arithmetic number, because the mean of its divisors is an integer number (1050442748307).

Almost surely, 2^{2100885496613} is an apocalyptic number.

It is an amenable number.

2100885496613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100885496613 is an equidigital number, since it uses as much as digits as its factorization.

2100885496613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 2100885496613 in words is "two trillion, one hundred billion, eight hundred eighty-five million, four hundred ninety-six thousand, six hundred thirteen".