1379541496769 has 2 divisors, whose sum is σ = 1379541496770. Its totient is φ = 1379541496768.

The previous prime is 1379541496759. The next prime is 1379541496783. The reversal of 1379541496769 is 9676941459731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272293761600 + 107247735169 = 1127960^2 + 327487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379541496769 is a prime.

It is a super-2 number, since 2×1379541496769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1379541496759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689770748384 + 689770748385.

It is an arithmetic number, because the mean of its divisors is an integer number (689770748385).

Almost surely, 2^{1379541496769} is an apocalyptic number.

It is an amenable number.

1379541496769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379541496769 is an equidigital number, since it uses as much as digits as its factorization.

1379541496769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308629440, while the sum is 71.

The spelling of 1379541496769 in words is "one trillion, three hundred seventy-nine billion, five hundred forty-one million, four hundred ninety-six thousand, seven hundred sixty-nine".