30217983489 has 12 divisors (see below), whose sum is σ = 43652948196. Its totient is φ = 20143130112.

The previous prime is 30217983469. The next prime is 30217983511. The reversal of 30217983489 is 98438971203.

It can be written as a sum of positive squares in 2 ways, for example, as 7840217025 + 22377766464 = 88545^2 + 149592^2 .

It is not a de Polignac number, because 30217983489 - 2⁵ = 30217983457 is a prime.

It is a super-2 number, since 2×30217983489² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30217983409) 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 11 ways as a sum of consecutive naturals, for example, 93072 + ... + 262865.

It is an arithmetic number, because the mean of its divisors is an integer number (3637745683).

Almost surely, 2^30217983489 is an apocalyptic number.

It is an amenable number.

30217983489 is a deficient number, since it is larger than the sum of its proper divisors (13434964707).

30217983489 is a wasteful number, since it uses less digits than its factorization.

30217983489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365376 (or 365373 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 30217983489 in words is "thirty billion, two hundred seventeen million, nine hundred eighty-three thousand, four hundred eighty-nine".