2101100587739 has 2 divisors, whose sum is σ = 2101100587740. Its totient is φ = 2101100587738.

The previous prime is 2101100587673. The next prime is 2101100587777. The reversal of 2101100587739 is 9377850011012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101100587739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101100587739.

It is not a weakly prime, because it can be changed into another prime (2101100587139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050550293869 + 1050550293870.

It is an arithmetic number, because the mean of its divisors is an integer number (1050550293870).

Almost surely, 2^{2101100587739} is an apocalyptic number.

2101100587739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101100587739 is an equidigital number, since it uses as much as digits as its factorization.

2101100587739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 2101100587739 in words is "two trillion, one hundred one billion, one hundred million, five hundred eighty-seven thousand, seven hundred thirty-nine".