1382638881193 has 2 divisors, whose sum is σ = 1382638881194. Its totient is φ = 1382638881192.

The previous prime is 1382638881109. The next prime is 1382638881203. The reversal of 1382638881193 is 3911888362831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378175037849 + 4463843344 = 1173957^2 + 66812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382638881193 - 2¹³ = 1382638873001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1382638861193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691319440596 + 691319440597.

It is an arithmetic number, because the mean of its divisors is an integer number (691319440597).

Almost surely, 2^{1382638881193} is an apocalyptic number.

It is an amenable number.

1382638881193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382638881193 is an equidigital number, since it uses as much as digits as its factorization.

1382638881193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 61.

The spelling of 1382638881193 in words is "one trillion, three hundred eighty-two billion, six hundred thirty-eight million, eight hundred eighty-one thousand, one hundred ninety-three".