1285307433796 has 9 divisors (see below), whose sum is σ = 2249291977149. Its totient is φ = 642652583184.

The previous prime is 1285307433719. The next prime is 1285307433853. The reversal of 1285307433796 is 6973347035821.

The square root of 1285307433796 is 1133714.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1104117592900 + 181189840896 = 1050770^2 + 425664^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1285307433796.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1984000 + ... + 2550856.

It is a 1-persistent number, because it is pandigital, but 2⋅1285307433796 = 2570614867592 is not.

Almost surely, 2^{1285307433796} is an apocalyptic number.

1285307433796 is the 1133714-th square number.

It is an amenable number.

1285307433796 is a deficient number, since it is larger than the sum of its proper divisors (963984543353).

1285307433796 is an frugal number, since it uses more digits than its factorization.

1285307433796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133718 (or 566859 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 1285307433796 in words is "one trillion, two hundred eighty-five billion, three hundred seven million, four hundred thirty-three thousand, seven hundred ninety-six".