30643423526 has 16 divisors (see below), whose sum is σ = 47983968864. Its totient is φ = 14649332544.

The previous prime is 30643423501. The next prime is 30643423543. The reversal of 30643423526 is 62532434603.

It is a self number, because there is not a number n which added to its sum of digits gives 30643423526.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30785 + ... + 249468.

It is an arithmetic number, because the mean of its divisors is an integer number (2998998054).

Almost surely, 2^30643423526 is an apocalyptic number.

30643423526 is a deficient number, since it is larger than the sum of its proper divisors (17340545338).

30643423526 is a wasteful number, since it uses less digits than its factorization.

30643423526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282655.

The product of its (nonzero) digits is 311040, while the sum is 38.

The spelling of 30643423526 in words is "thirty billion, six hundred forty-three million, four hundred twenty-three thousand, five hundred twenty-six".