1019333428 has 12 divisors (see below), whose sum is σ = 1784117860. Its totient is φ = 509585472.

The previous prime is 1019333417. The next prime is 1019333429. The reversal of 1019333428 is 8243339101.

1019333428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 872729764 + 146603664 = 29542^2 + 12108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1019333393 and 1019333402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019333429) 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, 14578 + ... + 47446.

Almost surely, 2^1019333428 is an apocalyptic number.

It is an amenable number.

1019333428 is a deficient number, since it is larger than the sum of its proper divisors (764784432).

1019333428 is a wasteful number, since it uses less digits than its factorization.

1019333428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40626 (or 40624 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1019333428 is about 31927.0015504118. The cubic root of 1019333428 is about 1006.4033851387.

The spelling of 1019333428 in words is "one billion, nineteen million, three hundred thirty-three thousand, four hundred twenty-eight".