17179906531 has 2 divisors, whose sum is σ = 17179906532. Its totient is φ = 17179906530.

The previous prime is 17179906517. The next prime is 17179906537. The reversal of 17179906531 is 13560997171.

It is a strong prime.

It is an emirp because it is prime and its reverse (13560997171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17179906531 is a prime.

It is a super-2 number, since 2×17179906531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17179906537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8589953265 + 8589953266.

It is an arithmetic number, because the mean of its divisors is an integer number (8589953266).

Almost surely, 2^17179906531 is an apocalyptic number.

17179906531 is a deficient number, since it is larger than the sum of its proper divisors (1).

17179906531 is an equidigital number, since it uses as much as digits as its factorization.

17179906531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 17179906531 in words is "seventeen billion, one hundred seventy-nine million, nine hundred six thousand, five hundred thirty-one".