1999414319 has 12 divisors (see below), whose sum is σ = 2420049744. Its totient is φ = 1612579392.

The previous prime is 1999414297. The next prime is 1999414321. The reversal of 1999414319 is 9134149991.

It is a happy number.

It is not a de Polignac number, because 1999414319 - 2⁸ = 1999414063 is a prime.

It is a super-2 number, since 2×1999414319² = 7995315238044467522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999414379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485732 + ... + 489830.

It is an arithmetic number, because the mean of its divisors is an integer number (201670812).

Almost surely, 2^1999414319 is an apocalyptic number.

1999414319 is a deficient number, since it is larger than the sum of its proper divisors (420635425).

1999414319 is an frugal number, since it uses more digits than its factorization.

1999414319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222 (or 4123 counting only the distinct ones).

The product of its digits is 314928, while the sum is 50.

The square root of 1999414319 is about 44714.8109578918. The cubic root of 1999414319 is about 1259.7980525845.

The spelling of 1999414319 in words is "one billion, nine hundred ninety-nine million, four hundred fourteen thousand, three hundred nineteen".