30863853903 has 4 divisors (see below), whose sum is σ = 41151805208. Its totient is φ = 20575902600.

The previous prime is 30863853877. The next prime is 30863853961. The reversal of 30863853903 is 30935836803.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30863853903 - 2¹⁰ = 30863852879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30863857903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5143975648 + ... + 5143975653.

It is an arithmetic number, because the mean of its divisors is an integer number (10287951302).

Almost surely, 2^30863853903 is an apocalyptic number.

30863853903 is a deficient number, since it is larger than the sum of its proper divisors (10287951305).

30863853903 is a wasteful number, since it uses less digits than its factorization.

30863853903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287951304.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 30863853903 in words is "thirty billion, eight hundred sixty-three million, eight hundred fifty-three thousand, nine hundred three".