4194864578 has 8 divisors (see below), whose sum is σ = 6312793872. Its totient is φ = 2090599956.

The previous prime is 4194864559. The next prime is 4194864581. The reversal of 4194864578 is 8754684914.

It is a happy number.

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

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, 3415400 + ... + 3416627.

It is an arithmetic number, because the mean of its divisors is an integer number (789099234).

Almost surely, 2^4194864578 is an apocalyptic number.

4194864578 is a deficient number, since it is larger than the sum of its proper divisors (2117929294).

4194864578 is a wasteful number, since it uses less digits than its factorization.

4194864578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832336.

The product of its digits is 7741440, while the sum is 56.

The square root of 4194864578 is about 64767.7742245324. The cubic root of 4194864578 is about 1612.7707875909.

The spelling of 4194864578 in words is "four billion, one hundred ninety-four million, eight hundred sixty-four thousand, five hundred seventy-eight".