21362354400413 has 8 divisors (see below), whose sum is σ = 24216434138400. Its totient is φ = 18681249192048.

The previous prime is 21362354400397. The next prime is 21362354400419. The reversal of 21362354400413 is 31400445326312.

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 21362354400413 - 2⁴ = 21362354400397 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 (21362354400419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43243632143 + ... + 43243632636.

It is an arithmetic number, because the mean of its divisors is an integer number (3027054267300).

Almost surely, 2^{21362354400413} is an apocalyptic number.

It is an amenable number.

21362354400413 is a deficient number, since it is larger than the sum of its proper divisors (2854079737987).

21362354400413 is a wasteful number, since it uses less digits than its factorization.

21362354400413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86487264811.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 21362354400413 its reverse (31400445326312), we get a palindrome (52762799726725).

The spelling of 21362354400413 in words is "twenty-one trillion, three hundred sixty-two billion, three hundred fifty-four million, four hundred thousand, four hundred thirteen".