345163571447 has 4 divisors (see below), whose sum is σ = 346033001496. Its totient is φ = 344294141400.

The previous prime is 345163571437. The next prime is 345163571453. The reversal of 345163571447 is 744175361543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 744175361543 = 3037 ⋅245036339.

It is a cyclic number.

It is not a de Polignac number, because 345163571447 - 2²⁰ = 345162522871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345163571395 and 345163571404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345163571407) 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, 434714429 + ... + 434715222.

It is an arithmetic number, because the mean of its divisors is an integer number (86508250374).

Almost surely, 2^345163571447 is an apocalyptic number.

345163571447 is a deficient number, since it is larger than the sum of its proper divisors (869430049).

345163571447 is an equidigital number, since it uses as much as digits as its factorization.

345163571447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869430048.

The product of its digits is 4233600, while the sum is 50.

The spelling of 345163571447 in words is "three hundred forty-five billion, one hundred sixty-three million, five hundred seventy-one thousand, four hundred forty-seven".