1376323285969 has 2 divisors, whose sum is σ = 1376323285970. Its totient is φ = 1376323285968.

The previous prime is 1376323285957. The next prime is 1376323285979. The reversal of 1376323285969 is 9695823236731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1243867322944 + 132455963025 = 1115288^2 + 363945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376323285969 - 2⁹ = 1376323285457 is a prime.

It is a super-2 number, since 2×1376323285969² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1376323285969.

It is not a weakly prime, because it can be changed into another prime (1376323285949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688161642984 + 688161642985.

It is an arithmetic number, because the mean of its divisors is an integer number (688161642985).

Almost surely, 2^{1376323285969} is an apocalyptic number.

It is an amenable number.

1376323285969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376323285969 is an equidigital number, since it uses as much as digits as its factorization.

1376323285969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 64.

The spelling of 1376323285969 in words is "one trillion, three hundred seventy-six billion, three hundred twenty-three million, two hundred eighty-five thousand, nine hundred sixty-nine".