16539001279 has 4 divisors (see below), whose sum is σ = 16539371640. Its totient is φ = 16538630920.

The previous prime is 16539001267. The next prime is 16539001289. The reversal of 16539001279 is 97210093561.

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 16539001279 - 2⁹ = 16539000767 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 (16539001229) 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, 107269 + ... + 211150.

It is an arithmetic number, because the mean of its divisors is an integer number (4134842910).

Almost surely, 2^16539001279 is an apocalyptic number.

16539001279 is a deficient number, since it is larger than the sum of its proper divisors (370361).

16539001279 is an equidigital number, since it uses as much as digits as its factorization.

16539001279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370360.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 16539001279 in words is "sixteen billion, five hundred thirty-nine million, one thousand, two hundred seventy-nine".