434253261217 has 4 divisors (see below), whose sum is σ = 434389522096. Its totient is φ = 434117000340.

The previous prime is 434253261173. The next prime is 434253261263. The reversal of 434253261217 is 712162352434.

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.

It is a cyclic number.

It is not a de Polignac number, because 434253261217 - 2²⁷ = 434119043489 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 434253261217.

It is not an unprimeable number, because it can be changed into a prime (434253261287) 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, 68125659 + ... + 68132032.

It is an arithmetic number, because the mean of its divisors is an integer number (108597380524).

Almost surely, 2^434253261217 is an apocalyptic number.

It is an amenable number.

434253261217 is a deficient number, since it is larger than the sum of its proper divisors (136260879).

434253261217 is a wasteful number, since it uses less digits than its factorization.

434253261217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136260878.

The product of its digits is 241920, while the sum is 40.

The spelling of 434253261217 in words is "four hundred thirty-four billion, two hundred fifty-three million, two hundred sixty-one thousand, two hundred seventeen".