2106620359 has 2 divisors, whose sum is σ = 2106620360. Its totient is φ = 2106620358.

The previous prime is 2106620281. The next prime is 2106620381. The reversal of 2106620359 is 9530266012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2106620359 - 2⁹ = 2106619847 is a prime.

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, 1053310179 + 1053310180.

It is an arithmetic number, because the mean of its divisors is an integer number (1053310180).

Almost surely, 2^2106620359 is an apocalyptic number.

2106620359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106620359 is an equidigital number, since it uses as much as digits as its factorization.

2106620359 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 34.

The square root of 2106620359 is about 45897.9341474102. The cubic root of 2106620359 is about 1281.9234507606.

The spelling of 2106620359 in words is "two billion, one hundred six million, six hundred twenty thousand, three hundred fifty-nine".