4047193919 has 12 divisors (see below), whose sum is σ = 4373827536. Its totient is φ = 3737720448.

The previous prime is 4047193883. The next prime is 4047193951. The reversal of 4047193919 is 9193917404.

It is not a de Polignac number, because 4047193919 - 2⁸ = 4047193663 is a prime.

It is a super-2 number, since 2×4047193919² = 32759557235981157122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4047193979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85274 + ... + 123959.

It is an arithmetic number, because the mean of its divisors is an integer number (364485628).

Almost surely, 2^4047193919 is an apocalyptic number.

4047193919 is a deficient number, since it is larger than the sum of its proper divisors (326633617).

4047193919 is a wasteful number, since it uses less digits than its factorization.

4047193919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209314 (or 209285 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 4047193919 is about 63617.5598321721. The cubic root of 4047193919 is about 1593.6196321731.

The spelling of 4047193919 in words is "four billion, forty-seven million, one hundred ninety-three thousand, nine hundred nineteen".