2105213162959 has 2 divisors, whose sum is σ = 2105213162960. Its totient is φ = 2105213162958.

The previous prime is 2105213162957. The next prime is 2105213162971. The reversal of 2105213162959 is 9592613125012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105213162959 - 2¹ = 2105213162957 is a prime.

It is a super-2 number, since 2×2105213162959² (a number of 25 digits) contains 22 as substring.

Together with 2105213162957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105213162957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052606581479 + 1052606581480.

It is an arithmetic number, because the mean of its divisors is an integer number (1052606581480).

Almost surely, 2^{2105213162959} is an apocalyptic number.

2105213162959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105213162959 is an equidigital number, since it uses as much as digits as its factorization.

2105213162959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 2105213162959 in words is "two trillion, one hundred five billion, two hundred thirteen million, one hundred sixty-two thousand, nine hundred fifty-nine".