7863306489 has 12 divisors (see below), whose sum is σ = 11665085796. Its totient is φ = 5100522912.

The previous prime is 7863306487. The next prime is 7863306491. The reversal of 7863306489 is 9846033687.

7863306489 is a `hidden beast` number, since 78 + 63 + 30 + 6 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (7863306487) and next prime (7863306491).

It can be written as a sum of positive squares in 2 ways, for example, as 3984134400 + 3879172089 = 63120^2 + 62283^2 .

It is not a de Polignac number, because 7863306489 - 2¹ = 7863306487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7863306487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11806434 + ... + 11807099.

It is an arithmetic number, because the mean of its divisors is an integer number (972090483).

Almost surely, 2^7863306489 is an apocalyptic number.

It is an amenable number.

7863306489 is a deficient number, since it is larger than the sum of its proper divisors (3801779307).

7863306489 is a wasteful number, since it uses less digits than its factorization.

7863306489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23613576 (or 23613573 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 7863306489 is about 88675.2867996490. The cubic root of 7863306489 is about 1988.5433722344.

The spelling of 7863306489 in words is "seven billion, eight hundred sixty-three million, three hundred six thousand, four hundred eighty-nine".