1369947647161 has 2 divisors, whose sum is σ = 1369947647162. Its totient is φ = 1369947647160.

The previous prime is 1369947647143. The next prime is 1369947647179. The reversal of 1369947647161 is 1617467499631.

It is a balanced prime because it is at equal distance from previous prime (1369947647143) and next prime (1369947647179).

It can be written as a sum of positive squares in only one way, i.e., 894999249936 + 474948397225 = 946044^2 + 689165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369947647161 - 2¹⁷ = 1369947516089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1369947647093 and 1369947647102.

It is not a weakly prime, because it can be changed into another prime (1369947648161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684973823580 + 684973823581.

It is an arithmetic number, because the mean of its divisors is an integer number (684973823581).

Almost surely, 2^{1369947647161} is an apocalyptic number.

It is an amenable number.

1369947647161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369947647161 is an equidigital number, since it uses as much as digits as its factorization.

1369947647161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41150592, while the sum is 64.

The spelling of 1369947647161 in words is "one trillion, three hundred sixty-nine billion, nine hundred forty-seven million, six hundred forty-seven thousand, one hundred sixty-one".