1617093163247 has 2 divisors, whose sum is σ = 1617093163248. Its totient is φ = 1617093163246.

The previous prime is 1617093163243. The next prime is 1617093163277. The reversal of 1617093163247 is 7423613907161.

It is a weak prime.

It is an emirp because it is prime and its reverse (7423613907161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1617093163247 - 2² = 1617093163243 is a prime.

It is a super-2 number, since 2×1617093163247² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1617093163195 and 1617093163204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1617093163243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808546581623 + 808546581624.

It is an arithmetic number, because the mean of its divisors is an integer number (808546581624).

Almost surely, 2^{1617093163247} is an apocalyptic number.

1617093163247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617093163247 is an equidigital number, since it uses as much as digits as its factorization.

1617093163247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 1617093163247 in words is "one trillion, six hundred seventeen billion, ninety-three million, one hundred sixty-three thousand, two hundred forty-seven".