147195482809 has 4 divisors (see below), whose sum is σ = 150618633616. Its totient is φ = 143772332004.

The previous prime is 147195482779. The next prime is 147195482849. The reversal of 147195482809 is 908284591741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 908284591741 = 12829 ⋅70799329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147195482809 is a prime.

It is a super-2 number, since 2×147195482809² (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 (147195482849) 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, 1711575339 + ... + 1711575424.

It is an arithmetic number, because the mean of its divisors is an integer number (37654658404).

Almost surely, 2^147195482809 is an apocalyptic number.

It is an amenable number.

147195482809 is a deficient number, since it is larger than the sum of its proper divisors (3423150807).

147195482809 is an equidigital number, since it uses as much as digits as its factorization.

147195482809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423150806.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 147195482809 in words is "one hundred forty-seven billion, one hundred ninety-five million, four hundred eighty-two thousand, eight hundred nine".