17839139712 has 64 divisors (see below), whose sum is σ = 47403100560. Its totient is φ = 5944135680.

The previous prime is 17839139711. The next prime is 17839139713. The reversal of 17839139712 is 21793193871.

It is an interprime number because it is at equal distance from previous prime (17839139711) and next prime (17839139713).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17839139711) 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, 1242012 + ... + 1256292.

Almost surely, 2^17839139712 is an apocalyptic number.

17839139712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17839139712 is an abundant number, since it is smaller than the sum of its proper divisors (29563960848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17839139712 is a wasteful number, since it uses less digits than its factorization.

17839139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17551 (or 17539 counting only the distinct ones).

The product of its digits is 571536, while the sum is 51.

The spelling of 17839139712 in words is "seventeen billion, eight hundred thirty-nine million, one hundred thirty-nine thousand, seven hundred twelve".