4375389994 has 8 divisors (see below), whose sum is σ = 6949148868. Its totient is φ = 2059007040.

The previous prime is 4375389979. The next prime is 4375390007. The reversal of 4375389994 is 4999835734.

It can be written as a sum of positive squares in 2 ways, for example, as 3556571769 + 818818225 = 59637^2 + 28615^2 .

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, 64343937 + ... + 64344004.

Almost surely, 2^4375389994 is an apocalyptic number.

4375389994 is a deficient number, since it is larger than the sum of its proper divisors (2573758874).

4375389994 is a wasteful number, since it uses less digits than its factorization.

4375389994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128687960.

The product of its digits is 29393280, while the sum is 61.

The square root of 4375389994 is about 66146.7307884524. The cubic root of 4375389994 is about 1635.5817516021.

The spelling of 4375389994 in words is "four billion, three hundred seventy-five million, three hundred eighty-nine thousand, nine hundred ninety-four".