16442341625639 has 4 divisors (see below), whose sum is σ = 16443588877056. Its totient is φ = 16441094374224.

The previous prime is 16442341625623. The next prime is 16442341625659. The reversal of 16442341625639 is 93652614324461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16442341625639 - 2⁴ = 16442341625623 is a prime.

It is a super-3 number, since 3×16442341625639³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442341625659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623605934 + ... + 623632299.

It is an arithmetic number, because the mean of its divisors is an integer number (4110897219264).

Almost surely, 2^{16442341625639} is an apocalyptic number.

16442341625639 is a deficient number, since it is larger than the sum of its proper divisors (1247251417).

16442341625639 is a wasteful number, since it uses less digits than its factorization.

16442341625639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247251416.

The product of its digits is 22394880, while the sum is 56.

The spelling of 16442341625639 in words is "sixteen trillion, four hundred forty-two billion, three hundred forty-one million, six hundred twenty-five thousand, six hundred thirty-nine".