1617305427347 has 8 divisors (see below), whose sum is σ = 1643852210832. Its totient is φ = 1590759727200.

The previous prime is 1617305427299. The next prime is 1617305427359. The reversal of 1617305427347 is 7437245037161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1617305427347 - 2⁸ = 1617305427091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1617305427295 and 1617305427304.

It is not an unprimeable number, because it can be changed into a prime (1617305427847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3076088 + ... + 3563274.

It is an arithmetic number, because the mean of its divisors is an integer number (205481526354).

Almost surely, 2^{1617305427347} is an apocalyptic number.

1617305427347 is a deficient number, since it is larger than the sum of its proper divisors (26546783485).

1617305427347 is an equidigital number, since it uses as much as digits as its factorization.

1617305427347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541669.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 1617305427347 in words is "one trillion, six hundred seventeen billion, three hundred five million, four hundred twenty-seven thousand, three hundred forty-seven".