1428944203 has 2 divisors, whose sum is σ = 1428944204. Its totient is φ = 1428944202.

The previous prime is 1428944147. The next prime is 1428944213. The reversal of 1428944203 is 3024498241.

It is a strong prime.

It is an emirp because it is prime and its reverse (3024498241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428944203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1428944213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714472101 + 714472102.

It is an arithmetic number, because the mean of its divisors is an integer number (714472102).

Almost surely, 2^1428944203 is an apocalyptic number.

1428944203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428944203 is an equidigital number, since it uses as much as digits as its factorization.

1428944203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1428944203 is about 37801.3783214316. The cubic root of 1428944203 is about 1126.3458337531.

The spelling of 1428944203 in words is "one billion, four hundred twenty-eight million, nine hundred forty-four thousand, two hundred three".