4663449194 has 4 divisors (see below), whose sum is σ = 6995173794. Its totient is φ = 2331724596.

The previous prime is 4663449143. The next prime is 4663449199. The reversal of 4663449194 is 4919443664.

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

It can be written as a sum of positive squares in only one way, i.e., 4122282025 + 541167169 = 64205^2 + 23263^2 .

It is not an unprimeable number, because it can be changed into a prime (4663449199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165862297 + ... + 1165862300.

Almost surely, 2^4663449194 is an apocalyptic number.

4663449194 is a deficient number, since it is larger than the sum of its proper divisors (2331724600).

4663449194 is a wasteful number, since it uses less digits than its factorization.

4663449194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331724599.

The product of its digits is 2239488, while the sum is 50.

The square root of 4663449194 is about 68289.4515573233. The cubic root of 4663449194 is about 1670.7151721901.

The spelling of 4663449194 in words is "four billion, six hundred sixty-three million, four hundred forty-nine thousand, one hundred ninety-four".