1313388051589 has 2 divisors, whose sum is σ = 1313388051590. Its totient is φ = 1313388051588.

The previous prime is 1313388051583. The next prime is 1313388051617. The reversal of 1313388051589 is 9851508833131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156179766564 + 157208285025 = 1075258^2 + 396495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313388051589 - 2³ = 1313388051581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313388051581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656694025794 + 656694025795.

It is an arithmetic number, because the mean of its divisors is an integer number (656694025795).

Almost surely, 2^{1313388051589} is an apocalyptic number.

It is an amenable number.

1313388051589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313388051589 is an equidigital number, since it uses as much as digits as its factorization.

1313388051589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 1313388051589 in words is "one trillion, three hundred thirteen billion, three hundred eighty-eight million, fifty-one thousand, five hundred eighty-nine".