1326939457007 has 2 divisors, whose sum is σ = 1326939457008. Its totient is φ = 1326939457006.

The previous prime is 1326939456901. The next prime is 1326939457069. The reversal of 1326939457007 is 7007549396231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1326939457007 - 2¹⁴ = 1326939440623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326939450007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663469728503 + 663469728504.

It is an arithmetic number, because the mean of its divisors is an integer number (663469728504).

Almost surely, 2^{1326939457007} is an apocalyptic number.

1326939457007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326939457007 is an equidigital number, since it uses as much as digits as its factorization.

1326939457007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 1326939457007 in words is "one trillion, three hundred twenty-six billion, nine hundred thirty-nine million, four hundred fifty-seven thousand, seven".