1999814350 has 24 divisors (see below), whose sum is σ = 3881381040. Its totient is φ = 765145920.

The previous prime is 1999814339. The next prime is 1999814351. The reversal of 1999814350 is 534189991.

It is a junction number, because it is equal to n+sod(n) for n = 1999814294 and 1999814303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999814351) 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, 868335 + ... + 870634.

It is an arithmetic number, because the mean of its divisors is an integer number (161724210).

Almost surely, 2^1999814350 is an apocalyptic number.

1999814350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1999814350 is a deficient number, since it is larger than the sum of its proper divisors (1881566690).

1999814350 is a wasteful number, since it uses less digits than its factorization.

1999814350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739004 (or 1738999 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1999814350 is about 44719.2838717259. The cubic root of 1999814350 is about 1259.8820646314.

The spelling of 1999814350 in words is "one billion, nine hundred ninety-nine million, eight hundred fourteen thousand, three hundred fifty".