1530968834 has 4 divisors (see below), whose sum is σ = 2296453254. Its totient is φ = 765484416.

The previous prime is 1530968819. The next prime is 1530968839. The reversal of 1530968834 is 4388690351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4388690351 = 727 ⋅6036713.

It can be written as a sum of positive squares in only one way, i.e., 1516868809 + 14100025 = 38947^2 + 3755^2 .

It is not an unprimeable number, because it can be changed into a prime (1530968839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382742207 + ... + 382742210.

Almost surely, 2^1530968834 is an apocalyptic number.

1530968834 is a deficient number, since it is larger than the sum of its proper divisors (765484420).

1530968834 is an equidigital number, since it uses as much as digits as its factorization.

1530968834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765484419.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1530968834 is about 39127.5968339483. The cubic root of 1530968834 is about 1152.5385218701.

The spelling of 1530968834 in words is "one billion, five hundred thirty million, nine hundred sixty-eight thousand, eight hundred thirty-four".