30136556309 has 4 divisors (see below), whose sum is σ = 30150213504. Its totient is φ = 30122899116.

The previous prime is 30136556299. The next prime is 30136556381. The reversal of 30136556309 is 90365563103.

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 30136556309 - 2⁸ = 30136556053 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 (30136556209) 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, 6825287 + ... + 6829700.

It is an arithmetic number, because the mean of its divisors is an integer number (7537553376).

Almost surely, 2^30136556309 is an apocalyptic number.

It is an amenable number.

30136556309 is a deficient number, since it is larger than the sum of its proper divisors (13657195).

30136556309 is a wasteful number, since it uses less digits than its factorization.

30136556309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657194.

The product of its (nonzero) digits is 218700, while the sum is 41.

The spelling of 30136556309 in words is "thirty billion, one hundred thirty-six million, five hundred fifty-six thousand, three hundred nine".