17979264309 has 8 divisors (see below), whose sum is σ = 23987003040. Its totient is φ = 11978850896.

The previous prime is 17979264271. The next prime is 17979264323. The reversal of 17979264309 is 90346297971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17979264309 - 2¹² = 17979260213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17979264409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825599 + ... + 1835420.

It is an arithmetic number, because the mean of its divisors is an integer number (2998375380).

Almost surely, 2^17979264309 is an apocalyptic number.

It is an amenable number.

17979264309 is a deficient number, since it is larger than the sum of its proper divisors (6007738731).

17979264309 is a wasteful number, since it uses less digits than its factorization.

17979264309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662659.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 17979264309 in words is "seventeen billion, nine hundred seventy-nine million, two hundred sixty-four thousand, three hundred nine".