34145265247 has 4 divisors (see below), whose sum is σ = 34215379216. Its totient is φ = 34075151280.

The previous prime is 34145265229. The next prime is 34145265293. The reversal of 34145265247 is 74256254143.

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 34145265247 - 2¹¹ = 34145263199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34145265547) 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, 35056254 + ... + 35057227.

It is an arithmetic number, because the mean of its divisors is an integer number (8553844804).

Almost surely, 2^34145265247 is an apocalyptic number.

34145265247 is a deficient number, since it is larger than the sum of its proper divisors (70113969).

34145265247 is an equidigital number, since it uses as much as digits as its factorization.

34145265247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70113968.

The product of its digits is 806400, while the sum is 43.

The spelling of 34145265247 in words is "thirty-four billion, one hundred forty-five million, two hundred sixty-five thousand, two hundred forty-seven".