419749345 has 4 divisors (see below), whose sum is σ = 503699220. Its totient is φ = 335799472.

The previous prime is 419749321. The next prime is 419749367. The reversal of 419749345 is 543947914.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77018176 + 342731169 = 8776^2 + 18513^2 .

It is a cyclic number.

It is not a de Polignac number, because 419749345 - 2⁷ = 419749217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 419749295 and 419749304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41974930 + ... + 41974939.

It is an arithmetic number, because the mean of its divisors is an integer number (125924805).

Almost surely, 2^419749345 is an apocalyptic number.

It is an amenable number.

419749345 is a deficient number, since it is larger than the sum of its proper divisors (83949875).

419749345 is an equidigital number, since it uses as much as digits as its factorization.

419749345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83949874.

The product of its digits is 544320, while the sum is 46.

The square root of 419749345 is about 20487.7852634198. The cubic root of 419749345 is about 748.7382310351.

The spelling of 419749345 in words is "four hundred nineteen million, seven hundred forty-nine thousand, three hundred forty-five".