2126358898739 has 2 divisors, whose sum is σ = 2126358898740. Its totient is φ = 2126358898738.

The previous prime is 2126358898717. The next prime is 2126358898793. The reversal of 2126358898739 is 9378988536212.

Together with next prime (2126358898793) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2126358898739 - 2²⁴ = 2126342121523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2126358898039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063179449369 + 1063179449370.

It is an arithmetic number, because the mean of its divisors is an integer number (1063179449370).

Almost surely, 2^{2126358898739} is an apocalyptic number.

2126358898739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126358898739 is an equidigital number, since it uses as much as digits as its factorization.

2126358898739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313528320, while the sum is 71.

The spelling of 2126358898739 in words is "two trillion, one hundred twenty-six billion, three hundred fifty-eight million, eight hundred ninety-eight thousand, seven hundred thirty-nine".