30207820853 has 8 divisors (see below), whose sum is σ = 34544071872. Its totient is φ = 25876781856.

The previous prime is 30207820837. The next prime is 30207820873. The reversal of 30207820853 is 35802870203.

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 30207820853 - 2⁴ = 30207820837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30207820873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290575 + ... + 1313772.

It is an arithmetic number, because the mean of its divisors is an integer number (4318008984).

Almost surely, 2^30207820853 is an apocalyptic number.

It is an amenable number.

30207820853 is a deficient number, since it is larger than the sum of its proper divisors (4336251019).

30207820853 is a wasteful number, since it uses less digits than its factorization.

30207820853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606011.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 30207820853 in words is "thirty billion, two hundred seven million, eight hundred twenty thousand, eight hundred fifty-three".