2100605159 has 2 divisors, whose sum is σ = 2100605160. Its totient is φ = 2100605158.

The previous prime is 2100605147. The next prime is 2100605191. The reversal of 2100605159 is 9515060012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100605159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100605959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050302579 + 1050302580.

It is an arithmetic number, because the mean of its divisors is an integer number (1050302580).

Almost surely, 2^2100605159 is an apocalyptic number.

2100605159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100605159 is an equidigital number, since it uses as much as digits as its factorization.

2100605159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 2100605159 is about 45832.3592999531. The cubic root of 2100605159 is about 1280.7021617461.

The spelling of 2100605159 in words is "two billion, one hundred million, six hundred five thousand, one hundred fifty-nine".