1428293828369 has 8 divisors (see below), whose sum is σ = 1436002255872. Its totient is φ = 1420587801760.

The previous prime is 1428293828347. The next prime is 1428293828413. The reversal of 1428293828369 is 9638283928241.

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

It is a cyclic number.

It is not a de Polignac number, because 1428293828369 - 2⁸ = 1428293828113 is a prime.

It is a super-2 number, since 2×1428293828369² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428293828329) 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, 599237 + ... + 1793229.

It is an arithmetic number, because the mean of its divisors is an integer number (179500281984).

Almost surely, 2^{1428293828369} is an apocalyptic number.

It is an amenable number.

1428293828369 is a deficient number, since it is larger than the sum of its proper divisors (7708427503).

1428293828369 is a wasteful number, since it uses less digits than its factorization.

1428293828369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200447.

The product of its digits is 71663616, while the sum is 65.

The spelling of 1428293828369 in words is "one trillion, four hundred twenty-eight billion, two hundred ninety-three million, eight hundred twenty-eight thousand, three hundred sixty-nine".