17042120663 has 2 divisors, whose sum is σ = 17042120664. Its totient is φ = 17042120662.

The previous prime is 17042120653. The next prime is 17042120759. The reversal of 17042120663 is 36602124071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17042120663 - 2²⁶ = 16975011799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17042120653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8521060331 + 8521060332.

It is an arithmetic number, because the mean of its divisors is an integer number (8521060332).

Almost surely, 2^17042120663 is an apocalyptic number.

17042120663 is a deficient number, since it is larger than the sum of its proper divisors (1).

17042120663 is an equidigital number, since it uses as much as digits as its factorization.

17042120663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 17042120663 in words is "seventeen billion, forty-two million, one hundred twenty thousand, six hundred sixty-three".