1369200331249 has 2 divisors, whose sum is σ = 1369200331250. Its totient is φ = 1369200331248.

The previous prime is 1369200331237. The next prime is 1369200331253. The reversal of 1369200331249 is 9421330029631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1368974881024 + 225450225 = 1170032^2 + 15015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369200331249 - 2⁵ = 1369200331217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369200331049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684600165624 + 684600165625.

It is an arithmetic number, because the mean of its divisors is an integer number (684600165625).

Almost surely, 2^{1369200331249} is an apocalyptic number.

It is an amenable number.

1369200331249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369200331249 is an equidigital number, since it uses as much as digits as its factorization.

1369200331249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 1369200331249 in words is "one trillion, three hundred sixty-nine billion, two hundred million, three hundred thirty-one thousand, two hundred forty-nine".