1499389019 has 2 divisors, whose sum is σ = 1499389020. Its totient is φ = 1499389018.

The previous prime is 1499389013. The next prime is 1499389039. The reversal of 1499389019 is 9109839941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1499389019 - 2¹² = 1499384923 is a prime.

It is a super-2 number, since 2×1499389019² = 4496334860595564722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1499389013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749694509 + 749694510.

It is an arithmetic number, because the mean of its divisors is an integer number (749694510).

Almost surely, 2^1499389019 is an apocalyptic number.

1499389019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499389019 is an equidigital number, since it uses as much as digits as its factorization.

1499389019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 1499389019 is about 38721.9449279088. The cubic root of 1499389019 is about 1144.5587995236.

The spelling of 1499389019 in words is "one billion, four hundred ninety-nine million, three hundred eighty-nine thousand, nineteen".