1428811999426 has 8 divisors (see below), whose sum is σ = 2449391999040. Its totient is φ = 612347999748.

The previous prime is 1428811999421. The next prime is 1428811999427. The reversal of 1428811999426 is 6249991188241.

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

It is not an unprimeable number, because it can be changed into a prime (1428811999421) 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, 51028999966 + ... + 51028999993.

It is an arithmetic number, because the mean of its divisors is an integer number (306173999880).

Almost surely, 2^{1428811999426} is an apocalyptic number.

1428811999426 is a deficient number, since it is larger than the sum of its proper divisors (1020579999614).

1428811999426 is a wasteful number, since it uses less digits than its factorization.

1428811999426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102057999968.

The product of its digits is 17915904, while the sum is 64.

The spelling of 1428811999426 in words is "one trillion, four hundred twenty-eight billion, eight hundred eleven million, nine hundred ninety-nine thousand, four hundred twenty-six".