30171773489 has 16 divisors (see below), whose sum is σ = 35451790080. Its totient is φ = 25315234560.

The previous prime is 30171773483. The next prime is 30171773503. The reversal of 30171773489 is 98437717103.

It is a de Polignac number, because none of the positive numbers 2^k-30171773489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30171773483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414697 + ... + 1435865.

It is an arithmetic number, because the mean of its divisors is an integer number (2215736880).

Almost surely, 2^30171773489 is an apocalyptic number.

It is an amenable number.

30171773489 is a deficient number, since it is larger than the sum of its proper divisors (5280016591).

30171773489 is a wasteful number, since it uses less digits than its factorization.

30171773489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31160.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 30171773489 in words is "thirty billion, one hundred seventy-one million, seven hundred seventy-three thousand, four hundred eighty-nine".