2311989673 has 8 divisors (see below), whose sum is σ = 2781341120. Its totient is φ = 1877405040.

The previous prime is 2311989671. The next prime is 2311989689. The reversal of 2311989673 is 3769891132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2311989673 - 2¹ = 2311989671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311989671) 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, 8691558 + ... + 8691823.

It is an arithmetic number, because the mean of its divisors is an integer number (347667640).

Almost surely, 2^2311989673 is an apocalyptic number.

It is an amenable number.

2311989673 is a deficient number, since it is larger than the sum of its proper divisors (469351447).

2311989673 is a wasteful number, since it uses less digits than its factorization.

2311989673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17383407.

The product of its digits is 489888, while the sum is 49.

The square root of 2311989673 is about 48083.1537339222. The cubic root of 2311989673 is about 1322.2958349214.

The spelling of 2311989673 in words is "two billion, three hundred eleven million, nine hundred eighty-nine thousand, six hundred seventy-three".