30886873009 has 4 divisors (see below), whose sum is σ = 30943339504. Its totient is φ = 30830406516.

The previous prime is 30886872979. The next prime is 30886873027. The reversal of 30886873009 is 90037868803.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30886873009 - 2¹⁷ = 30886741937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30886873109) 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, 28232427 + ... + 28233520.

It is an arithmetic number, because the mean of its divisors is an integer number (7735834876).

Almost surely, 2^30886873009 is an apocalyptic number.

It is an amenable number.

30886873009 is a deficient number, since it is larger than the sum of its proper divisors (56466495).

30886873009 is an equidigital number, since it uses as much as digits as its factorization.

30886873009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56466494.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 30886873009 in words is "thirty billion, eight hundred eighty-six million, eight hundred seventy-three thousand, nine".