21336076355 has 64 divisors (see below), whose sum is σ = 30184099200. Its totient is φ = 14306181120.

The previous prime is 21336076309. The next prime is 21336076357. The reversal of 21336076355 is 55367063312.

It is a happy number.

It is not a de Polignac number, because 21336076355 - 2⁶ = 21336076291 is a prime.

It is a super-3 number, since 3×21336076355³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21336076357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9402161 + ... + 9404429.

It is an arithmetic number, because the mean of its divisors is an integer number (471626550).

Almost surely, 2^21336076355 is an apocalyptic number.

21336076355 is a deficient number, since it is larger than the sum of its proper divisors (8848022845).

21336076355 is a wasteful number, since it uses less digits than its factorization.

21336076355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 21336076355 in words is "twenty-one billion, three hundred thirty-six million, seventy-six thousand, three hundred fifty-five".