4319391912 has 64 divisors (see below), whose sum is σ = 11956032000. Its totient is φ = 1289365440.

The previous prime is 4319391907. The next prime is 4319391919. The reversal of 4319391912 is 2191939134.

It is not an unprimeable number, because it can be changed into a prime (4319391919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104412 + ... + 139787.

It is an arithmetic number, because the mean of its divisors is an integer number (186813000).

Almost surely, 2^4319391912 is an apocalyptic number.

It is an amenable number.

4319391912 is an abundant number, since it is smaller than the sum of its proper divisors (7636640088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4319391912 is a wasteful number, since it uses less digits than its factorization.

4319391912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244286 (or 244282 counting only the distinct ones).

The product of its digits is 52488, while the sum is 42.

The square root of 4319391912 is about 65722.0808556759. The cubic root of 4319391912 is about 1628.5741494832.

The spelling of 4319391912 in words is "four billion, three hundred nineteen million, three hundred ninety-one thousand, nine hundred twelve".