1319200278163 has 2 divisors, whose sum is σ = 1319200278164. Its totient is φ = 1319200278162.

The previous prime is 1319200278061. The next prime is 1319200278169. The reversal of 1319200278163 is 3618720029131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1319200278163 is a prime.

It is a super-3 number, since 3×1319200278163³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1319200278169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659600139081 + 659600139082.

It is an arithmetic number, because the mean of its divisors is an integer number (659600139082).

Almost surely, 2^{1319200278163} is an apocalyptic number.

1319200278163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319200278163 is an equidigital number, since it uses as much as digits as its factorization.

1319200278163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1319200278163 in words is "one trillion, three hundred nineteen billion, two hundred million, two hundred seventy-eight thousand, one hundred sixty-three".