13620556742 has 8 divisors (see below), whose sum is σ = 22002437856. Its totient is φ = 6286410792.

The previous prime is 13620556739. The next prime is 13620556751. The reversal of 13620556742 is 24765502631.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13620556742.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 261933758 + ... + 261933809.

It is an arithmetic number, because the mean of its divisors is an integer number (2750304732).

Almost surely, 2^13620556742 is an apocalyptic number.

13620556742 is a deficient number, since it is larger than the sum of its proper divisors (8381881114).

13620556742 is a wasteful number, since it uses less digits than its factorization.

13620556742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523867582.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 13620556742 in words is "thirteen billion, six hundred twenty million, five hundred fifty-six thousand, seven hundred forty-two".