34443430247 has 4 divisors (see below), whose sum is σ = 34500932400. Its totient is φ = 34385928096.

The previous prime is 34443430243. The next prime is 34443430249. The reversal of 34443430247 is 74203434443.

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 34443430247 - 2² = 34443430243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34443430247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34443430243) 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, 28750178 + ... + 28751375.

It is an arithmetic number, because the mean of its divisors is an integer number (8625233100).

Almost surely, 2^34443430247 is an apocalyptic number.

34443430247 is a deficient number, since it is larger than the sum of its proper divisors (57502153).

34443430247 is an equidigital number, since it uses as much as digits as its factorization.

34443430247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57502152.

The product of its (nonzero) digits is 387072, while the sum is 38.

The spelling of 34443430247 in words is "thirty-four billion, four hundred forty-three million, four hundred thirty thousand, two hundred forty-seven".