21236036063147 has 8 divisors (see below), whose sum is σ = 22160784919200. Its totient is φ = 20311407452160.

The previous prime is 21236036063087. The next prime is 21236036063161. The reversal of 21236036063147 is 74136063063212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21236036063147 - 2³⁶ = 21167316586411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21236036063098 and 21236036063107.

It is not an unprimeable number, because it can be changed into a prime (21236036063197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29700272 + ... + 30406877.

It is an arithmetic number, because the mean of its divisors is an integer number (2770098114900).

Almost surely, 2^{21236036063147} is an apocalyptic number.

21236036063147 is a deficient number, since it is larger than the sum of its proper divisors (924748856053).

21236036063147 is a wasteful number, since it uses less digits than its factorization.

21236036063147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60122533.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 21236036063147 in words is "twenty-one trillion, two hundred thirty-six billion, thirty-six million, sixty-three thousand, one hundred forty-seven".