1428965330 has 64 divisors (see below), whose sum is σ = 2842384608. Its totient is φ = 513976320.

The previous prime is 1428965287. The next prime is 1428965341. The reversal of 1428965330 is 335698241.

It can be written as a sum of positive squares in 16 ways, for example, as 205434889 + 1223530441 = 14333^2 + 34979^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081070 + ... + 1082390.

Almost surely, 2^1428965330 is an apocalyptic number.

1428965330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428965330 is a deficient number, since it is larger than the sum of its proper divisors (1413419278).

1428965330 is a wasteful number, since it uses less digits than its factorization.

1428965330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1428965330 is about 37801.6577678810. The cubic root of 1428965330 is about 1126.3513847492.

The spelling of 1428965330 in words is "one billion, four hundred twenty-eight million, nine hundred sixty-five thousand, three hundred thirty".