30294446809 has 9 divisors (see below), whose sum is σ = 33300959349. Its totient is φ = 27538665660.

The previous prime is 30294446807. The next prime is 30294446863. The reversal of 30294446809 is 90864449203.

The square root of 30294446809 is 174053.

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

It is not a de Polignac number, because 30294446809 - 2¹ = 30294446807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30294446807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1906672 + ... + 1922494.

Almost surely, 2^30294446809 is an apocalyptic number.

30294446809 is the 174053-rd square number.

30294446809 is the 87027-th centered octagonal number.

It is an amenable number.

30294446809 is a deficient number, since it is larger than the sum of its proper divisors (3006512540).

30294446809 is an frugal number, since it uses more digits than its factorization.

30294446809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31668 (or 15834 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

Multiplying 30294446809 by its sum of digits (49), we get a square (1484427893641 = 1218371²).

The spelling of 30294446809 in words is "thirty billion, two hundred ninety-four million, four hundred forty-six thousand, eight hundred nine".