30000689427636 has 192 divisors, whose sum is σ = 79775074713600. Its totient is φ = 9747513820800.

The previous prime is 30000689427629. The next prime is 30000689427661. The reversal of 30000689427636 is 63672498600003.

30000689427636 is a `hidden beast` number, since 300 + 0 + 0 + 68 + 9 + 4 + 276 + 3 + 6 = 666.

It is a super-2 number, since 2×30000689427636² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238665010 + ... + 238790678.

It is an arithmetic number, because the mean of its divisors is an integer number (415495180800).

Almost surely, 2^{30000689427636} is an apocalyptic number.

30000689427636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000689427636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39887537356800).

30000689427636 is an abundant number, since it is smaller than the sum of its proper divisors (49774385285964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30000689427636 is a wasteful number, since it uses less digits than its factorization.

30000689427636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126107 (or 126099 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 30000689427636 in words is "thirty trillion, six hundred eighty-nine million, four hundred twenty-seven thousand, six hundred thirty-six".