17983536479 has 8 divisors (see below), whose sum is σ = 19061904960. Its totient is φ = 16907447296.

The previous prime is 17983536469. The next prime is 17983536491. The reversal of 17983536479 is 97463538971.

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 17983536479 - 2¹² = 17983532383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17983536469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553559 + ... + 585144.

It is an arithmetic number, because the mean of its divisors is an integer number (2382738120).

Almost surely, 2^17983536479 is an apocalyptic number.

17983536479 is a deficient number, since it is larger than the sum of its proper divisors (1078368481).

17983536479 is a wasteful number, since it uses less digits than its factorization.

17983536479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139649.

The product of its digits is 34292160, while the sum is 62.

The spelling of 17983536479 in words is "seventeen billion, nine hundred eighty-three million, five hundred thirty-six thousand, four hundred seventy-nine".