30643254530 has 64 divisors (see below), whose sum is σ = 67264508160. Its totient is φ = 9816920064.

The previous prime is 30643254529. The next prime is 30643254541. The reversal of 30643254530 is 3545234603.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 60719 + ... + 254898.

It is an arithmetic number, because the mean of its divisors is an integer number (1051007940).

Almost surely, 2^30643254530 is an apocalyptic number.

30643254530 is an abundant number, since it is smaller than the sum of its proper divisors (36621253630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30643254530 is a wasteful number, since it uses less digits than its factorization.

30643254530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315723.

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 30643254530 in words is "thirty billion, six hundred forty-three million, two hundred fifty-four thousand, five hundred thirty".