1283427286428 has 96 divisors (see below), whose sum is σ = 3502677950464. Its totient is φ = 358103083968.

The previous prime is 1283427286391. The next prime is 1283427286429. The reversal of 1283427286428 is 8246827243821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283427286429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22969701 + ... + 23025507.

Almost surely, 2^{1283427286428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283427286428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751338975232).

1283427286428 is an abundant number, since it is smaller than the sum of its proper divisors (2219250664036).

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

1283427286428 is a wasteful number, since it uses less digits than its factorization.

1283427286428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62231 (or 62229 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 57.

The spelling of 1283427286428 in words is "one trillion, two hundred eighty-three billion, four hundred twenty-seven million, two hundred eighty-six thousand, four hundred twenty-eight".