1361216162029 has 2 divisors, whose sum is σ = 1361216162030. Its totient is φ = 1361216162028.

The previous prime is 1361216162021. The next prime is 1361216162069. The reversal of 1361216162029 is 9202616121631.

It is an a-pointer prime, because the next prime (1361216162069) can be obtained adding 1361216162029 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214408408004 + 146807754025 = 1102002^2 + 383155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361216162029 - 2³ = 1361216162021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361216161982 and 1361216162000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361216162021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680608081014 + 680608081015.

It is an arithmetic number, because the mean of its divisors is an integer number (680608081015).

Almost surely, 2^{1361216162029} is an apocalyptic number.

It is an amenable number.

1361216162029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361216162029 is an equidigital number, since it uses as much as digits as its factorization.

1361216162029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 1361216162029 in words is "one trillion, three hundred sixty-one billion, two hundred sixteen million, one hundred sixty-two thousand, twenty-nine".