30242047522729 has 27 divisors (see below), whose sum is σ = 36776647851447. Its totient is φ = 24793996287984.

The previous prime is 30242047522721. The next prime is 30242047522829. The reversal of 30242047522729 is 92722574024203.

The square root of 30242047522729 is 5499277.

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., 23212401305625 + 7029646217104 = 4817925^2 + 2651348^2 .

It is not a de Polignac number, because 30242047522729 - 2³ = 30242047522721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (30242047522721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 885366519 + ... + 885400675.

Almost surely, 2^{30242047522729} is an apocalyptic number.

30242047522729 is the 5499277-th square number.

30242047522729 is the 2749639-th centered octagonal number.

It is an amenable number.

30242047522729 is a deficient number, since it is larger than the sum of its proper divisors (6534600328718).

30242047522729 is an frugal number, since it uses more digits than its factorization.

30242047522729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68374 (or 34187 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

30242047522729 divided by its sum of digits (49) gives a square (617184643321 = 785611²).

The spelling of 30242047522729 in words is "thirty trillion, two hundred forty-two billion, forty-seven million, five hundred twenty-two thousand, seven hundred twenty-nine".