13551735623 has 8 divisors (see below), whose sum is σ = 14351614992. Its totient is φ = 12752158336.

The previous prime is 13551735619. The next prime is 13551735629. The reversal of 13551735623 is 32653715531.

It is a happy number.

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 13551735623 - 2² = 13551735619 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 (13551735629) 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, 20336 + ... + 165882.

It is an arithmetic number, because the mean of its divisors is an integer number (1793951874).

Almost surely, 2^13551735623 is an apocalyptic number.

13551735623 is a deficient number, since it is larger than the sum of its proper divisors (799879369).

13551735623 is a wasteful number, since it uses less digits than its factorization.

13551735623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151041.

The product of its digits is 283500, while the sum is 41.

The spelling of 13551735623 in words is "thirteen billion, five hundred fifty-one million, seven hundred thirty-five thousand, six hundred twenty-three".