13556051438 has 8 divisors (see below), whose sum is σ = 20339368920. Its totient is φ = 6776261800.

The previous prime is 13556051417. The next prime is 13556051461. The reversal of 13556051438 is 83415065531.

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

It is a junction number, because it is equal to n+sod(n) for n = 13556051395 and 13556051404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872333 + ... + 887736.

It is an arithmetic number, because the mean of its divisors is an integer number (2542421115).

Almost surely, 2^13556051438 is an apocalyptic number.

13556051438 is a deficient number, since it is larger than the sum of its proper divisors (6783317482).

13556051438 is a wasteful number, since it uses less digits than its factorization.

13556051438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763922.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 13556051438 in words is "thirteen billion, five hundred fifty-six million, fifty-one thousand, four hundred thirty-eight".