4345505273 has 4 divisors (see below), whose sum is σ = 4437962880. Its totient is φ = 4253047668.

The previous prime is 4345505267. The next prime is 4345505369. The reversal of 4345505273 is 3725055434.

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 4345505273 - 2²⁸ = 4077069817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4345505233) 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, 46228733 + ... + 46228826.

It is an arithmetic number, because the mean of its divisors is an integer number (1109490720).

Almost surely, 2^4345505273 is an apocalyptic number.

It is an amenable number.

4345505273 is a deficient number, since it is larger than the sum of its proper divisors (92457607).

4345505273 is an equidigital number, since it uses as much as digits as its factorization.

4345505273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92457606.

The product of its (nonzero) digits is 252000, while the sum is 38.

The square root of 4345505273 is about 65920.4465473346. The cubic root of 4345505273 is about 1631.8494662082.

The spelling of 4345505273 in words is "four billion, three hundred forty-five million, five hundred five thousand, two hundred seventy-three".