17140720989 has 32 divisors (see below), whose sum is σ = 26566819840. Its totient is φ = 9628258752.

The previous prime is 17140720979. The next prime is 17140721011. The reversal of 17140720989 is 98902704171.

It is not a de Polignac number, because 17140720989 - 2⁵ = 17140720957 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 (17140720939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261222 + ... + 320184.

It is an arithmetic number, because the mean of its divisors is an integer number (830213120).

Almost surely, 2^17140720989 is an apocalyptic number.

It is an amenable number.

17140720989 is a deficient number, since it is larger than the sum of its proper divisors (9426098851).

17140720989 is a wasteful number, since it uses less digits than its factorization.

17140720989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59209.

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 17140720989 in words is "seventeen billion, one hundred forty million, seven hundred twenty thousand, nine hundred eighty-nine".