2106715147 has 2 divisors, whose sum is σ = 2106715148. Its totient is φ = 2106715146.

The previous prime is 2106715099. The next prime is 2106715151. The reversal of 2106715147 is 7415176012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2106715147 - 2²³ = 2098326539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100715147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053357573 + 1053357574.

It is an arithmetic number, because the mean of its divisors is an integer number (1053357574).

Almost surely, 2^2106715147 is an apocalyptic number.

2106715147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106715147 is an equidigital number, since it uses as much as digits as its factorization.

2106715147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 2106715147 is about 45898.9667312893. The cubic root of 2106715147 is about 1281.9426773126.

The spelling of 2106715147 in words is "two billion, one hundred six million, seven hundred fifteen thousand, one hundred forty-seven".