2126856059 has 2 divisors, whose sum is σ = 2126856060. Its totient is φ = 2126856058.

The previous prime is 2126856037. The next prime is 2126856103. The reversal of 2126856059 is 9506586212.

It is an a-pointer prime, because the next prime (2126856103) can be obtained adding 2126856059 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2126856059 is a prime.

It is a super-2 number, since 2×2126856059² = 9047033391410022962, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2126856019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063428029 + 1063428030.

It is an arithmetic number, because the mean of its divisors is an integer number (1063428030).

Almost surely, 2^2126856059 is an apocalyptic number.

2126856059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126856059 is an equidigital number, since it uses as much as digits as its factorization.

2126856059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 2126856059 is about 46117.8496788391. The cubic root of 2126856059 is about 1286.0149962334.

The spelling of 2126856059 in words is "two billion, one hundred twenty-six million, eight hundred fifty-six thousand, fifty-nine".