4971393194 has 4 divisors (see below), whose sum is σ = 7457089794. Its totient is φ = 2485696596.

The previous prime is 4971393191. The next prime is 4971393199. The reversal of 4971393194 is 4913931794.

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., 4786840969 + 184552225 = 69187^2 + 13585^2 .

It is not an unprimeable number, because it can be changed into a prime (4971393191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1242848297 + ... + 1242848300.

Almost surely, 2^4971393194 is an apocalyptic number.

4971393194 is a deficient number, since it is larger than the sum of its proper divisors (2485696600).

4971393194 is a wasteful number, since it uses less digits than its factorization.

4971393194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485696599.

The product of its digits is 734832, while the sum is 50.

The square root of 4971393194 is about 70508.1072927078. The cubic root of 4971393194 is about 1706.7085774535.

The spelling of 4971393194 in words is "four billion, nine hundred seventy-one million, three hundred ninety-three thousand, one hundred ninety-four".