1428259623914 has 32 divisors (see below), whose sum is σ = 2311795178496. Its totient is φ = 659858664960.

The previous prime is 1428259623887. The next prime is 1428259623929. The reversal of 1428259623914 is 4193269528241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428259623914.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104807 + ... + 1693370.

It is an arithmetic number, because the mean of its divisors is an integer number (72243599328).

Almost surely, 2^{1428259623914} is an apocalyptic number.

1428259623914 is a deficient number, since it is larger than the sum of its proper divisors (883535554582).

1428259623914 is a wasteful number, since it uses less digits than its factorization.

1428259623914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798790.

The product of its digits is 7464960, while the sum is 56.

The spelling of 1428259623914 in words is "one trillion, four hundred twenty-eight billion, two hundred fifty-nine million, six hundred twenty-three thousand, nine hundred fourteen".