13300403020421 has 4 divisors (see below), whose sum is σ = 14509530567744. Its totient is φ = 12091275473100.

The previous prime is 13300403020417. The next prime is 13300403020427. The reversal of 13300403020421 is 12402030400331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13300403020421 - 2² = 13300403020417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300403020427) 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 3 ways as a sum of consecutive naturals, for example, 604563773645 + ... + 604563773666.

It is an arithmetic number, because the mean of its divisors is an integer number (3627382641936).

Almost surely, 2^{13300403020421} is an apocalyptic number.

13300403020421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13300403020421 is a deficient number, since it is larger than the sum of its proper divisors (1209127547323).

13300403020421 is a wasteful number, since it uses less digits than its factorization.

13300403020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209127547322.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13300403020421 its reverse (12402030400331), we get a palindrome (25702433420752).

The spelling of 13300403020421 in words is "thirteen trillion, three hundred billion, four hundred three million, twenty thousand, four hundred twenty-one".