8474702989 has 2 divisors, whose sum is σ = 8474702990. Its totient is φ = 8474702988.

The previous prime is 8474702969. The next prime is 8474703047. The reversal of 8474702989 is 9892074748.

It is an a-pointer prime, because the next prime (8474703047) can be obtained adding 8474702989 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5301296100 + 3173406889 = 72810^2 + 56333^2 .

It is a cyclic number.

It is not a de Polignac number, because 8474702989 - 2¹⁹ = 8474178701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8474702939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237351494 + 4237351495.

It is an arithmetic number, because the mean of its divisors is an integer number (4237351495).

Almost surely, 2^8474702989 is an apocalyptic number.

It is an amenable number.

8474702989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8474702989 is an equidigital number, since it uses as much as digits as its factorization.

8474702989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The square root of 8474702989 is about 92058.1500411561. The cubic root of 8474702989 is about 2038.8009573225.

The spelling of 8474702989 in words is "eight billion, four hundred seventy-four million, seven hundred two thousand, nine hundred eighty-nine".