1369947642179 has 2 divisors, whose sum is σ = 1369947642180. Its totient is φ = 1369947642178.

The previous prime is 1369947642169. The next prime is 1369947642197. The reversal of 1369947642179 is 9712467499631.

Together with next prime (1369947642197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1369947642179 - 2⁴ = 1369947642163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369947642169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684973821089 + 684973821090.

It is an arithmetic number, because the mean of its divisors is an integer number (684973821090).

Almost surely, 2^{1369947642179} is an apocalyptic number.

1369947642179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369947642179 is an equidigital number, since it uses as much as digits as its factorization.

1369947642179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 68.

The spelling of 1369947642179 in words is "one trillion, three hundred sixty-nine billion, nine hundred forty-seven million, six hundred forty-two thousand, one hundred seventy-nine".