4673781394 has 8 divisors (see below), whose sum is σ = 7035621948. Its totient is φ = 2328574080.

The previous prime is 4673781391. The next prime is 4673781407. The reversal of 4673781394 is 4931873764.

It can be written as a sum of positive squares in 2 ways, for example, as 4517856225 + 155925169 = 67215^2 + 12487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4673781391) 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, 4157607 + ... + 4158730.

Almost surely, 2^4673781394 is an apocalyptic number.

4673781394 is a deficient number, since it is larger than the sum of its proper divisors (2361840554).

4673781394 is a wasteful number, since it uses less digits than its factorization.

4673781394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316620.

The product of its digits is 3048192, while the sum is 52.

The square root of 4673781394 is about 68365.0597454577. The cubic root of 4673781394 is about 1671.9481244350.

The spelling of 4673781394 in words is "four billion, six hundred seventy-three million, seven hundred eighty-one thousand, three hundred ninety-four".