15940855339 has 4 divisors (see below), whose sum is σ = 15942304224. Its totient is φ = 15939406456.

The previous prime is 15940855321. The next prime is 15940855361. The reversal of 15940855339 is 93355804951.

15940855339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93355804951 = 225671 ⋅413681.

It is a cyclic number.

It is not a de Polignac number, because 15940855339 - 2⁷ = 15940855211 is a prime.

It is a super-3 number, since 3×15940855339³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15940855379) 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 3 ways as a sum of consecutive naturals, for example, 707812 + ... + 729985.

It is an arithmetic number, because the mean of its divisors is an integer number (3985576056).

Almost surely, 2^15940855339 is an apocalyptic number.

15940855339 is a deficient number, since it is larger than the sum of its proper divisors (1448885).

15940855339 is a wasteful number, since it uses less digits than its factorization.

15940855339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448884.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The spelling of 15940855339 in words is "fifteen billion, nine hundred forty million, eight hundred fifty-five thousand, three hundred thirty-nine".