30969009859 has 4 divisors (see below), whose sum is σ = 30971234520. Its totient is φ = 30966785200.

The previous prime is 30969009821. The next prime is 30969009917. The reversal of 30969009859 is 95890096903.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30969009859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30960009859) 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, 1091317 + ... + 1119334.

It is an arithmetic number, because the mean of its divisors is an integer number (7742808630).

Almost surely, 2^30969009859 is an apocalyptic number.

30969009859 is a deficient number, since it is larger than the sum of its proper divisors (2224661).

30969009859 is a wasteful number, since it uses less digits than its factorization.

30969009859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224660.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The spelling of 30969009859 in words is "thirty billion, nine hundred sixty-nine million, nine thousand, eight hundred fifty-nine".