2106623159 has 2 divisors, whose sum is σ = 2106623160. Its totient is φ = 2106623158.

The previous prime is 2106623117. The next prime is 2106623201. The reversal of 2106623159 is 9513266012.

It is a balanced prime because it is at equal distance from previous prime (2106623117) and next prime (2106623201).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106623159 is a prime.

It is a super-2 number, since 2×2106623159² = 8875722268070278562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2106623359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053311579 + 1053311580.

It is an arithmetic number, because the mean of its divisors is an integer number (1053311580).

Almost surely, 2^2106623159 is an apocalyptic number.

2106623159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106623159 is an equidigital number, since it uses as much as digits as its factorization.

2106623159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2106623159 is about 45897.9646498622. The cubic root of 2106623159 is about 1281.9240187136.

The spelling of 2106623159 in words is "two billion, one hundred six million, six hundred twenty-three thousand, one hundred fifty-nine".