30136986651 has 4 divisors (see below), whose sum is σ = 40182648872. Its totient is φ = 20091324432.

The previous prime is 30136986637. The next prime is 30136986697. The reversal of 30136986651 is 15668963103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15668963103 = 3 ⋅5222987701.

It is not a de Polignac number, because 30136986651 - 2⁵ = 30136986619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30136986651.

It is not an unprimeable number, because it can be changed into a prime (30136986601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022831106 + ... + 5022831111.

It is an arithmetic number, because the mean of its divisors is an integer number (10045662218).

Almost surely, 2^30136986651 is an apocalyptic number.

30136986651 is a deficient number, since it is larger than the sum of its proper divisors (10045662221).

30136986651 is a wasteful number, since it uses less digits than its factorization.

30136986651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045662220.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 30136986651 in words is "thirty billion, one hundred thirty-six million, nine hundred eighty-six thousand, six hundred fifty-one".