1428210683772 has 24 divisors (see below), whose sum is σ = 3447405099600. Its totient is φ = 459654013056.

The previous prime is 1428210683747. The next prime is 1428210683789. The reversal of 1428210683772 is 2773860128241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052026497 + ... + 2052027192.

It is an arithmetic number, because the mean of its divisors is an integer number (143641879150).

Almost surely, 2^{1428210683772} is an apocalyptic number.

1428210683772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428210683772 is an abundant number, since it is smaller than the sum of its proper divisors (2019194415828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428210683772 is a wasteful number, since it uses less digits than its factorization.

1428210683772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104053725 (or 4104053723 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 1428210683772 in words is "one trillion, four hundred twenty-eight billion, two hundred ten million, six hundred eighty-three thousand, seven hundred seventy-two".