1366703442631 has 2 divisors, whose sum is σ = 1366703442632. Its totient is φ = 1366703442630.

The previous prime is 1366703442557. The next prime is 1366703442647. The reversal of 1366703442631 is 1362443076631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1366703442631 - 2²⁹ = 1366166571719 is a prime.

It is a super-2 number, since 2×1366703442631² (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 (1366703440631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683351721315 + 683351721316.

It is an arithmetic number, because the mean of its divisors is an integer number (683351721316).

Almost surely, 2^{1366703442631} is an apocalyptic number.

1366703442631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366703442631 is an equidigital number, since it uses as much as digits as its factorization.

1366703442631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 1366703442631 in words is "one trillion, three hundred sixty-six billion, seven hundred three million, four hundred forty-two thousand, six hundred thirty-one".