147876395209 has 3 divisors (see below), whose sum is σ = 147876779757. Its totient is φ = 147876010662.

The previous prime is 147876395153. The next prime is 147876395231. The reversal of 147876395209 is 902593678741.

The square root of 147876395209 is 384547.

It is a perfect power (a square), and thus also a powerful number.

147876395209 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 a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 147876395209 - 2⁹ = 147876394697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147876395239) 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 2 ways as a sum of consecutive naturals, for example, 192274 + ... + 576820.

It is an arithmetic number, because the mean of its divisors is an integer number (49292259919).

It is a 1-persistent number, because it is pandigital, but 2⋅147876395209 = 295752790418 is not.

Almost surely, 2^147876395209 is an apocalyptic number.

147876395209 is the 384547-th square number.

147876395209 is the 192274-th centered octagonal number.

It is an amenable number.

147876395209 is a deficient number, since it is larger than the sum of its proper divisors (384548).

147876395209 is an frugal number, since it uses more digits than its factorization.

147876395209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769094 (or 384547 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 147876395209 in words is "one hundred forty-seven billion, eight hundred seventy-six million, three hundred ninety-five thousand, two hundred nine".