13620321454434 has 32 divisors (see below), whose sum is σ = 27471175397376. Its totient is φ = 4501795006800.

The previous prime is 13620321454403. The next prime is 13620321454477. The reversal of 13620321454434 is 43445412302631.

It is a super-2 number, since 2×13620321454434² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13246162 + ... + 14237325.

It is an arithmetic number, because the mean of its divisors is an integer number (858474231168).

Almost surely, 2^{13620321454434} is an apocalyptic number.

13620321454434 is an abundant number, since it is smaller than the sum of its proper divisors (13850853942942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13620321454434 is a wasteful number, since it uses less digits than its factorization.

13620321454434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27484190.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 13620321454434 in words is "thirteen trillion, six hundred twenty billion, three hundred twenty-one million, four hundred fifty-four thousand, four hundred thirty-four".