30685448043 has 12 divisors (see below), whose sum is σ = 44326824360. Its totient is φ = 20455396416.

The previous prime is 30685448029. The next prime is 30685448093. The reversal of 30685448043 is 34084458603.

30685448043 is a `hidden beast` number, since 3 + 0 + 68 + 544 + 8 + 0 + 43 = 666.

It is not a de Polignac number, because 30685448043 - 2⁶ = 30685447979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30685448043.

It is not an unprimeable number, because it can be changed into a prime (30685448023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3 + ... + 247731.

It is an arithmetic number, because the mean of its divisors is an integer number (3693902030).

Almost surely, 2^30685448043 is an apocalyptic number.

30685448043 is a deficient number, since it is larger than the sum of its proper divisors (13641376317).

30685448043 is a wasteful number, since it uses less digits than its factorization.

30685448043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261498 (or 261495 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 30685448043 in words is "thirty billion, six hundred eighty-five million, four hundred forty-eight thousand, forty-three".