13620219016 has 8 divisors (see below), whose sum is σ = 25537910670. Its totient is φ = 6810109504.

The previous prime is 13620219007. The next prime is 13620219023. The reversal of 13620219016 is 61091202631.

It can be written as a sum of positive squares in only one way, i.e., 13212582916 + 407636100 = 114946^2 + 20190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851263681 + ... + 851263696.

Almost surely, 2^13620219016 is an apocalyptic number.

It is an amenable number.

13620219016 is a deficient number, since it is larger than the sum of its proper divisors (11917691654).

13620219016 is a wasteful number, since it uses less digits than its factorization.

13620219016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702527383 (or 1702527379 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 13620219016 in words is "thirteen billion, six hundred twenty million, two hundred nineteen thousand, sixteen".