2126354413 has 2 divisors, whose sum is σ = 2126354414. Its totient is φ = 2126354412.

The previous prime is 2126354389. The next prime is 2126354459. The reversal of 2126354413 is 3144536212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2057348164 + 69006249 = 45358^2 + 8307^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126354413 - 2⁵ = 2126354381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126354473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063177206 + 1063177207.

It is an arithmetic number, because the mean of its divisors is an integer number (1063177207).

Almost surely, 2^2126354413 is an apocalyptic number.

It is an amenable number.

2126354413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126354413 is an equidigital number, since it uses as much as digits as its factorization.

2126354413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 2126354413 is about 46112.4106179670. The cubic root of 2126354413 is about 1285.9138806293.

The spelling of 2126354413 in words is "two billion, one hundred twenty-six million, three hundred fifty-four thousand, four hundred thirteen".