1370230238521 has 2 divisors, whose sum is σ = 1370230238522. Its totient is φ = 1370230238520.

The previous prime is 1370230238513. The next prime is 1370230238527. The reversal of 1370230238521 is 1258320320731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122828452496 + 247401786025 = 1059636^2 + 497395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370230238521 - 2³ = 1370230238513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1370230238527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685115119260 + 685115119261.

It is an arithmetic number, because the mean of its divisors is an integer number (685115119261).

Almost surely, 2^{1370230238521} is an apocalyptic number.

It is an amenable number.

1370230238521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370230238521 is an equidigital number, since it uses as much as digits as its factorization.

1370230238521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1370230238521 in words is "one trillion, three hundred seventy billion, two hundred thirty million, two hundred thirty-eight thousand, five hundred twenty-one".