1499900219 has 4 divisors (see below), whose sum is σ = 1565113296. Its totient is φ = 1434687144.

The previous prime is 1499900201. The next prime is 1499900263. The reversal of 1499900219 is 9120099941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1499900219 - 2¹⁶ = 1499834683 is a prime.

It is a super-2 number, since 2×1499900219² = 4499401333912495922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1499900219.

It is not an unprimeable number, because it can be changed into a prime (1499900119) 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 3 ways as a sum of consecutive naturals, for example, 32606504 + ... + 32606549.

It is an arithmetic number, because the mean of its divisors is an integer number (391278324).

Almost surely, 2^1499900219 is an apocalyptic number.

1499900219 is a deficient number, since it is larger than the sum of its proper divisors (65213077).

1499900219 is an equidigital number, since it uses as much as digits as its factorization.

1499900219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65213076.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1499900219 is about 38728.5452734801. The cubic root of 1499900219 is about 1144.6888596056.

The spelling of 1499900219 in words is "one billion, four hundred ninety-nine million, nine hundred thousand, two hundred nineteen".