4345451189 has 4 divisors (see below), whose sum is σ = 4345731756. Its totient is φ = 4345170624.

The previous prime is 4345451179. The next prime is 4345451191. The reversal of 4345451189 is 9811545434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9811545434 = 2 ⋅4905772717.

It can be written as a sum of positive squares in 2 ways, for example, as 1867104100 + 2478347089 = 43210^2 + 49783^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345451189 - 2⁸ = 4345450933 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 (4345451179) 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, 115604 + ... + 148509.

It is an arithmetic number, because the mean of its divisors is an integer number (1086432939).

Almost surely, 2^4345451189 is an apocalyptic number.

It is an amenable number.

4345451189 is a deficient number, since it is larger than the sum of its proper divisors (280567).

4345451189 is a wasteful number, since it uses less digits than its factorization.

4345451189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280566.

The product of its digits is 345600, while the sum is 44.

The square root of 4345451189 is about 65920.0363243225. The cubic root of 4345451189 is about 1631.8426962004.

The spelling of 4345451189 in words is "four billion, three hundred forty-five million, four hundred fifty-one thousand, one hundred eighty-nine".