439468510919 has 2 divisors, whose sum is σ = 439468510920. Its totient is φ = 439468510918.

The previous prime is 439468510891. The next prime is 439468510961. The reversal of 439468510919 is 919015864934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 439468510919 - 2¹² = 439468506823 is a prime.

It is a super-2 number, since 2×439468510919² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439468510619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219734255459 + 219734255460.

It is an arithmetic number, because the mean of its divisors is an integer number (219734255460).

Almost surely, 2^439468510919 is an apocalyptic number.

439468510919 is a deficient number, since it is larger than the sum of its proper divisors (1).

439468510919 is an equidigital number, since it uses as much as digits as its factorization.

439468510919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 439468510919 in words is "four hundred thirty-nine billion, four hundred sixty-eight million, five hundred ten thousand, nine hundred nineteen".