21013433140413 has 8 divisors (see below), whose sum is σ = 32020469547328. Its totient is φ = 12007676080224.

The previous prime is 21013433140397. The next prime is 21013433140451. The reversal of 21013433140413 is 31404133431012.

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

It is not a de Polignac number, because 21013433140413 - 2⁴ = 21013433140397 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 (21013433140493) 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, 500319836656 + ... + 500319836697.

It is an arithmetic number, because the mean of its divisors is an integer number (4002558693416).

Almost surely, 2^{21013433140413} is an apocalyptic number.

It is an amenable number.

21013433140413 is a deficient number, since it is larger than the sum of its proper divisors (11007036406915).

21013433140413 is a wasteful number, since it uses less digits than its factorization.

21013433140413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000639673363.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 21013433140413 its reverse (31404133431012), we get a palindrome (52417566571425).

The spelling of 21013433140413 in words is "twenty-one trillion, thirteen billion, four hundred thirty-three million, one hundred forty thousand, four hundred thirteen".