13620101621 has 8 divisors (see below), whose sum is σ = 15567056640. Its totient is φ = 11673453168.

The previous prime is 13620101617. The next prime is 13620101639. The reversal of 13620101621 is 12610102631.

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 13620101621 - 2² = 13620101617 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 (13620101611) 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, 28115 + ... + 167423.

It is an arithmetic number, because the mean of its divisors is an integer number (1945882080).

Almost surely, 2^13620101621 is an apocalyptic number.

It is an amenable number.

13620101621 is a deficient number, since it is larger than the sum of its proper divisors (1946955019).

13620101621 is a wasteful number, since it uses less digits than its factorization.

13620101621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153283.

The product of its (nonzero) digits is 432, while the sum is 23.

It can be divided in two parts, 1362010 and 1621, that added together give a palindrome (1363631).

The spelling of 13620101621 in words is "thirteen billion, six hundred twenty million, one hundred one thousand, six hundred twenty-one".