30489932889361 has 27 divisors (see below), whose sum is σ = 34446523753467. Its totient is φ = 26966994571440.

The previous prime is 30489932889359. The next prime is 30489932889371. The reversal of 30489932889361 is 16398823998403.

The square root of 30489932889361 is 5521769.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 27282810657025 + 3207122232336 = 5223295^2 + 1790844^2 .

It is not a de Polignac number, because 30489932889361 - 2¹ = 30489932889359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30489932889371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2247353200 + ... + 2247366766.

Almost surely, 2^{30489932889361} is an apocalyptic number.

30489932889361 is the 5521769-th square number.

30489932889361 is the 2760885-th centered octagonal number.

It is an amenable number.

30489932889361 is a deficient number, since it is larger than the sum of its proper divisors (3956590864106).

30489932889361 is an frugal number, since it uses more digits than its factorization.

30489932889361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27230 (or 13615 counting only the distinct ones).

The product of its (nonzero) digits is 483729408, while the sum is 73.

The spelling of 30489932889361 in words is "thirty trillion, four hundred eighty-nine billion, nine hundred thirty-two million, eight hundred eighty-nine thousand, three hundred sixty-one".