30542106169 has 3 divisors (see below), whose sum is σ = 30542280933. Its totient is φ = 30541931406.

The previous prime is 30542106151. The next prime is 30542106197. The reversal of 30542106169 is 96160124503.

The square root of 30542106169 is 174763.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 30542106169 - 2⁵ = 30542106137 is a prime.

It is a super-2 number, since 2×30542106169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30542106269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87382 + ... + 262144.

It is an arithmetic number, because the mean of its divisors is an integer number (10180760311).

Almost surely, 2^30542106169 is an apocalyptic number.

30542106169 is the 174763-rd square number.

30542106169 is the 87382-nd centered octagonal number.

It is an amenable number.

30542106169 is a deficient number, since it is larger than the sum of its proper divisors (174764).

30542106169 is an frugal number, since it uses more digits than its factorization.

30542106169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349526 (or 174763 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 30542106169 in words is "thirty billion, five hundred forty-two million, one hundred six thousand, one hundred sixty-nine".