1499047449 has 4 divisors (see below), whose sum is σ = 1998729936. Its totient is φ = 999364964.

The previous prime is 1499047447. The next prime is 1499047463. The reversal of 1499047449 is 9447409941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1499047449 - 2¹ = 1499047447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1499047441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249841239 + ... + 249841244.

It is an arithmetic number, because the mean of its divisors is an integer number (499682484).

Almost surely, 2^1499047449 is an apocalyptic number.

It is an amenable number.

1499047449 is a deficient number, since it is larger than the sum of its proper divisors (499682487).

1499047449 is an equidigital number, since it uses as much as digits as its factorization.

1499047449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499682486.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1499047449 is about 38717.5341286090. The cubic root of 1499047449 is about 1144.4718804219.

The spelling of 1499047449 in words is "one billion, four hundred ninety-nine million, forty-seven thousand, four hundred forty-nine".