155989652339 has 4 divisors (see below), whose sum is σ = 161021576640. Its totient is φ = 150957728040.

The previous prime is 155989652327. The next prime is 155989652359. The reversal of 155989652339 is 933256989551.

155989652339 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.

It is a cyclic number.

It is not a de Polignac number, because 155989652339 - 2²⁰ = 155988603763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155989652359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2515962104 + ... + 2515962165.

It is an arithmetic number, because the mean of its divisors is an integer number (40255394160).

Almost surely, 2^155989652339 is an apocalyptic number.

155989652339 is a deficient number, since it is larger than the sum of its proper divisors (5031924301).

155989652339 is an equidigital number, since it uses as much as digits as its factorization.

155989652339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031924300.

The product of its digits is 78732000, while the sum is 65.

The spelling of 155989652339 in words is "one hundred fifty-five billion, nine hundred eighty-nine million, six hundred fifty-two thousand, three hundred thirty-nine".