9282779420213 has 6 divisors (see below), whose sum is σ = 10051767064674. Its totient is φ = 8568719464656.

The previous prime is 9282779420177. The next prime is 9282779420219. The reversal of 9282779420213 is 3120249772829.

It can be written as a sum of positive squares in 3 ways, for example, as 6137625649 + 9276641794564 = 78343^2 + 3045758^2 .

It is not a de Polignac number, because 9282779420213 - 2²² = 9282775225909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9282779420219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27463844270 + ... + 27463844607.

It is an arithmetic number, because the mean of its divisors is an integer number (1675294510779).

Almost surely, 2^{9282779420213} is an apocalyptic number.

It is an amenable number.

9282779420213 is a deficient number, since it is larger than the sum of its proper divisors (768987644461).

9282779420213 is a wasteful number, since it uses less digits than its factorization.

9282779420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54927688903 (or 54927688890 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 9282779420213 in words is "nine trillion, two hundred eighty-two billion, seven hundred seventy-nine million, four hundred twenty thousand, two hundred thirteen".