17590749918979 has 2 divisors, whose sum is σ = 17590749918980. Its totient is φ = 17590749918978.

The previous prime is 17590749918943. The next prime is 17590749918983. The reversal of 17590749918979 is 97981994709571.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17590749918979 - 2⁷ = 17590749918851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17590749918896 and 17590749918905.

It is not a weakly prime, because it can be changed into another prime (17590749918479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8795374959489 + 8795374959490.

It is an arithmetic number, because the mean of its divisors is an integer number (8795374959490).

Almost surely, 2^{17590749918979} is an apocalyptic number.

17590749918979 is a deficient number, since it is larger than the sum of its proper divisors (1).

17590749918979 is an equidigital number, since it uses as much as digits as its factorization.

17590749918979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240609120, while the sum is 85.

The spelling of 17590749918979 in words is "seventeen trillion, five hundred ninety billion, seven hundred forty-nine million, nine hundred eighteen thousand, nine hundred seventy-nine".