1245644083207 has 2 divisors, whose sum is σ = 1245644083208. Its totient is φ = 1245644083206.

The previous prime is 1245644083199. The next prime is 1245644083213. The reversal of 1245644083207 is 7023804465421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245644083207 - 2³ = 1245644083199 is a prime.

It is a super-3 number, since 3×1245644083207³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245644083807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622822041603 + 622822041604.

It is an arithmetic number, because the mean of its divisors is an integer number (622822041604).

Almost surely, 2^{1245644083207} is an apocalyptic number.

1245644083207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245644083207 is an equidigital number, since it uses as much as digits as its factorization.

1245644083207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 1245644083207 in words is "one trillion, two hundred forty-five billion, six hundred forty-four million, eighty-three thousand, two hundred seven".