17914990858 has 16 divisors (see below), whose sum is σ = 28044346176. Its totient is φ = 8566972480.

The previous prime is 17914990853. The next prime is 17914990969. The reversal of 17914990858 is 85809941971.

It is a junction number, because it is equal to n+sod(n) for n = 17914990796 and 17914990805.

It is not an unprimeable number, because it can be changed into a prime (17914990853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448338 + ... + 486658.

It is an arithmetic number, because the mean of its divisors is an integer number (1752771636).

Almost surely, 2^17914990858 is an apocalyptic number.

17914990858 is a deficient number, since it is larger than the sum of its proper divisors (10129355318).

17914990858 is a wasteful number, since it uses less digits than its factorization.

17914990858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48509.

The product of its (nonzero) digits is 6531840, while the sum is 61.

The spelling of 17914990858 in words is "seventeen billion, nine hundred fourteen million, nine hundred ninety thousand, eight hundred fifty-eight".