1381061867719 has 2 divisors, whose sum is σ = 1381061867720. Its totient is φ = 1381061867718.

The previous prime is 1381061867683. The next prime is 1381061867723. The reversal of 1381061867719 is 9177681601831.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9177681601831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1381061867719 - 2¹¹ = 1381061865671 is a prime.

It is a super-2 number, since 2×1381061867719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381061864719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690530933859 + 690530933860.

It is an arithmetic number, because the mean of its divisors is an integer number (690530933860).

Almost surely, 2^{1381061867719} is an apocalyptic number.

1381061867719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381061867719 is an equidigital number, since it uses as much as digits as its factorization.

1381061867719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 1381061867719 in words is "one trillion, three hundred eighty-one billion, sixty-one million, eight hundred sixty-seven thousand, seven hundred nineteen".