2126589308057 has 2 divisors, whose sum is σ = 2126589308058. Its totient is φ = 2126589308056.

The previous prime is 2126589308047. The next prime is 2126589308119. The reversal of 2126589308057 is 7508039856212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912534107136 + 214055200921 = 1382944^2 + 462661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2126589308057 - 2⁶ = 2126589307993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2126589307993 and 2126589308011.

It is not a weakly prime, because it can be changed into another prime (2126589308047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063294654028 + 1063294654029.

It is an arithmetic number, because the mean of its divisors is an integer number (1063294654029).

Almost surely, 2^{2126589308057} is an apocalyptic number.

It is an amenable number.

2126589308057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126589308057 is an equidigital number, since it uses as much as digits as its factorization.

2126589308057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 2126589308057 in words is "two trillion, one hundred twenty-six billion, five hundred eighty-nine million, three hundred eight thousand, fifty-seven".