3194412505 has 4 divisors (see below), whose sum is σ = 3833295012. Its totient is φ = 2555530000.

The previous prime is 3194412503. The next prime is 3194412511. The reversal of 3194412505 is 5052144913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5052144913 = 42181 ⋅119773.

It can be written as a sum of positive squares in 2 ways, for example, as 1746153369 + 1448259136 = 41787^2 + 38056^2 .

It is not a de Polignac number, because 3194412505 - 2¹ = 3194412503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3194412503) 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, 319441246 + ... + 319441255.

It is an arithmetic number, because the mean of its divisors is an integer number (958323753).

Almost surely, 2^3194412505 is an apocalyptic number.

It is an amenable number.

3194412505 is a deficient number, since it is larger than the sum of its proper divisors (638882507).

3194412505 is an equidigital number, since it uses as much as digits as its factorization.

3194412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638882506.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3194412505 is about 56519.1339724876. The cubic root of 3194412505 is about 1472.7544119549.

The spelling of 3194412505 in words is "three billion, one hundred ninety-four million, four hundred twelve thousand, five hundred five".