30926270021 has 8 divisors (see below), whose sum is σ = 30958308864. Its totient is φ = 30894251920.

The previous prime is 30926269963. The next prime is 30926270117. The reversal of 30926270021 is 12007262903.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30926270021 - 2¹⁴ = 30926253637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30926270021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30926270321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5412356 + ... + 5418066.

It is an arithmetic number, because the mean of its divisors is an integer number (3869788608).

Almost surely, 2^30926270021 is an apocalyptic number.

It is an amenable number.

30926270021 is a deficient number, since it is larger than the sum of its proper divisors (32038843).

30926270021 is a wasteful number, since it uses less digits than its factorization.

30926270021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 30926270021 in words is "thirty billion, nine hundred twenty-six million, two hundred seventy thousand, twenty-one".