2126856037 has 2 divisors, whose sum is σ = 2126856038. Its totient is φ = 2126856036.

The previous prime is 2126856031. The next prime is 2126856059. The reversal of 2126856037 is 7306586212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1975713601 + 151142436 = 44449^2 + 12294^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126856037 - 2¹⁵ = 2126823269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126856031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063428018 + 1063428019.

It is an arithmetic number, because the mean of its divisors is an integer number (1063428019).

Almost surely, 2^2126856037 is an apocalyptic number.

It is an amenable number.

2126856037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126856037 is an equidigital number, since it uses as much as digits as its factorization.

2126856037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2126856037 is about 46117.8494403197. The cubic root of 2126856037 is about 1286.0149917992.

The spelling of 2126856037 in words is "two billion, one hundred twenty-six million, eight hundred fifty-six thousand, thirty-seven".