17001623556013 has 2 divisors, whose sum is σ = 17001623556014. Its totient is φ = 17001623556012.

The previous prime is 17001623555993. The next prime is 17001623556023. The reversal of 17001623556013 is 31065532610071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10771143291364 + 6230480264649 = 3281942^2 + 2496093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17001623556013 is a prime.

It is a super-2 number, since 2×17001623556013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17001623556023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8500811778006 + 8500811778007.

It is an arithmetic number, because the mean of its divisors is an integer number (8500811778007).

Almost surely, 2^{17001623556013} is an apocalyptic number.

It is an amenable number.

17001623556013 is a deficient number, since it is larger than the sum of its proper divisors (1).

17001623556013 is an equidigital number, since it uses as much as digits as its factorization.

17001623556013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 17001623556013 in words is "seventeen trillion, one billion, six hundred twenty-three million, five hundred fifty-six thousand, thirteen".