1530319819 has 16 divisors (see below), whose sum is σ = 1797573888. Its totient is φ = 1275496992.

The previous prime is 1530319811. The next prime is 1530319829. The reversal of 1530319819 is 9189130351.

It is not a de Polignac number, because 1530319819 - 2³ = 1530319811 is a prime.

It is a super-2 number, since 2×1530319819² = 4683757496848385522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530319811) 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 in 15 ways as a sum of consecutive naturals, for example, 57129 + ... + 79525.

It is an arithmetic number, because the mean of its divisors is an integer number (112348368).

Almost surely, 2^1530319819 is an apocalyptic number.

1530319819 is a deficient number, since it is larger than the sum of its proper divisors (267254069).

1530319819 is a wasteful number, since it uses less digits than its factorization.

1530319819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22674.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 1530319819 is about 39119.3023838616. The cubic root of 1530319819 is about 1152.3756357948.

The spelling of 1530319819 in words is "one billion, five hundred thirty million, three hundred nineteen thousand, eight hundred nineteen".