17920136063 has 2 divisors, whose sum is σ = 17920136064. Its totient is φ = 17920136062.

The previous prime is 17920136057. The next prime is 17920136071. The reversal of 17920136063 is 36063102971.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17920136063 is a prime.

It is a super-2 number, since 2×17920136063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17920136023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8960068031 + 8960068032.

It is an arithmetic number, because the mean of its divisors is an integer number (8960068032).

Almost surely, 2^17920136063 is an apocalyptic number.

17920136063 is a deficient number, since it is larger than the sum of its proper divisors (1).

17920136063 is an equidigital number, since it uses as much as digits as its factorization.

17920136063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 17920136063 in words is "seventeen billion, nine hundred twenty million, one hundred thirty-six thousand, sixty-three".