1245344334239 has 2 divisors, whose sum is σ = 1245344334240. Its totient is φ = 1245344334238.

The previous prime is 1245344334211. The next prime is 1245344334263. The reversal of 1245344334239 is 9324334435421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245344334239 - 2¹² = 1245344330143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245344334193 and 1245344334202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245344334209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622672167119 + 622672167120.

It is an arithmetic number, because the mean of its divisors is an integer number (622672167120).

Almost surely, 2^{1245344334239} is an apocalyptic number.

1245344334239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245344334239 is an equidigital number, since it uses as much as digits as its factorization.

1245344334239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 47.

The spelling of 1245344334239 in words is "one trillion, two hundred forty-five billion, three hundred forty-four million, three hundred thirty-four thousand, two hundred thirty-nine".