4097447919 has 6 divisors (see below), whose sum is σ = 5918535896. Its totient is φ = 2731631940.

The previous prime is 4097447911. The next prime is 4097447927. The reversal of 4097447919 is 9197447904.

It is an interprime number because it is at equal distance from previous prime (4097447911) and next prime (4097447927).

It is not a de Polignac number, because 4097447919 - 2³ = 4097447911 is a prime.

It is a super-2 number, since 2×4097447919² = 33578158897834861122, 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 (4097447911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227635987 + ... + 227636004.

Almost surely, 2^4097447919 is an apocalyptic number.

4097447919 is a deficient number, since it is larger than the sum of its proper divisors (1821087977).

4097447919 is a wasteful number, since it uses less digits than its factorization.

4097447919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455271997 (or 455271994 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 4097447919 is about 64011.3108676896. The cubic root of 4097447919 is about 1600.1885089092.

The spelling of 4097447919 in words is "four billion, ninety-seven million, four hundred forty-seven thousand, nine hundred nineteen".