209039616001 has 8 divisors (see below), whose sum is σ = 212614047360. Its totient is φ = 205466230992.

The previous prime is 209039615977. The next prime is 209039616029. The reversal of 209039616001 is 100616930902.

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 209039616001 - 2¹³ = 209039607809 is a prime.

It is a super-2 number, since 2×209039616001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209039616101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146791 + ... + 663043.

It is an arithmetic number, because the mean of its divisors is an integer number (26576755920).

Almost surely, 2^209039616001 is an apocalyptic number.

It is an amenable number.

209039616001 is a deficient number, since it is larger than the sum of its proper divisors (3574431359).

209039616001 is an equidigital number, since it uses as much as digits as its factorization.

209039616001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523175.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 209039616001 in words is "two hundred nine billion, thirty-nine million, six hundred sixteen thousand, one".