17999254352 has 10 divisors (see below), whose sum is σ = 34873555338. Its totient is φ = 8999627168.

The previous prime is 17999254333. The next prime is 17999254411. The reversal of 17999254352 is 25345299971.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17935637776 + 63616576 = 133924^2 + 7976^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562476683 + ... + 562476714.

Almost surely, 2^17999254352 is an apocalyptic number.

It is an amenable number.

17999254352 is a deficient number, since it is larger than the sum of its proper divisors (16874300986).

17999254352 is a wasteful number, since it uses less digits than its factorization.

17999254352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124953405 (or 1124953399 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The spelling of 17999254352 in words is "seventeen billion, nine hundred ninety-nine million, two hundred fifty-four thousand, three hundred fifty-two".