1428370003 has 4 divisors (see below), whose sum is σ = 1429772760. Its totient is φ = 1426967248.

The previous prime is 1428369949. The next prime is 1428370037. The reversal of 1428370003 is 3000738241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1428370003 - 2²⁵ = 1394815571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428370093) 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, 699850 + ... + 701887.

It is an arithmetic number, because the mean of its divisors is an integer number (357443190).

Almost surely, 2^1428370003 is an apocalyptic number.

1428370003 is a deficient number, since it is larger than the sum of its proper divisors (1402757).

1428370003 is a wasteful number, since it uses less digits than its factorization.

1428370003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402756.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1428370003 is about 37793.7825971416. The cubic root of 1428370003 is about 1126.1949450936.

The spelling of 1428370003 in words is "one billion, four hundred twenty-eight million, three hundred seventy thousand, three".