1428730014443 has 8 divisors (see below), whose sum is σ = 1467920060880. Its totient is φ = 1389746776320.

The previous prime is 1428730014433. The next prime is 1428730014497. The reversal of 1428730014443 is 3444100378241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1428730014443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428730014443.

It is not an unprimeable number, because it can be changed into a prime (1428730014433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51688073 + ... + 51715706.

It is an arithmetic number, because the mean of its divisors is an integer number (183490007610).

Almost surely, 2^{1428730014443} is an apocalyptic number.

1428730014443 is a deficient number, since it is larger than the sum of its proper divisors (39190046437).

1428730014443 is a wasteful number, since it uses less digits than its factorization.

1428730014443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103404157.

The product of its (nonzero) digits is 258048, while the sum is 41.

The spelling of 1428730014443 in words is "one trillion, four hundred twenty-eight billion, seven hundred thirty million, fourteen thousand, four hundred forty-three".