30919121826 has 8 divisors (see below), whose sum is σ = 61838243664. Its totient is φ = 10306373940.

The previous prime is 30919121791. The next prime is 30919121839. The reversal of 30919121826 is 62812191903.

It is a sphenic number, since it is the product of 3 distinct primes.

30919121826 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2576593480 + ... + 2576593491.

It is an arithmetic number, because the mean of its divisors is an integer number (7729780458).

Almost surely, 2^30919121826 is an apocalyptic number.

30919121826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30919121826 is a wasteful number, since it uses less digits than its factorization.

30919121826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153186976.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 30919121826 in words is "thirty billion, nine hundred nineteen million, one hundred twenty-one thousand, eight hundred twenty-six".