8701931489 has 2 divisors, whose sum is σ = 8701931490. Its totient is φ = 8701931488.

The previous prime is 8701931473. The next prime is 8701931503. The reversal of 8701931489 is 9841391078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4505094400 + 4196837089 = 67120^2 + 64783^2 .

It is a cyclic number.

It is not a de Polignac number, because 8701931489 - 2⁴ = 8701931473 is a prime.

It is a super-2 number, since 2×8701931489² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8701931089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4350965744 + 4350965745.

It is an arithmetic number, because the mean of its divisors is an integer number (4350965745).

Almost surely, 2^8701931489 is an apocalyptic number.

It is an amenable number.

8701931489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8701931489 is an equidigital number, since it uses as much as digits as its factorization.

8701931489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 8701931489 is about 93284.1438241248. The cubic root of 8701931489 is about 2056.8623085057.

The spelling of 8701931489 in words is "eight billion, seven hundred one million, nine hundred thirty-one thousand, four hundred eighty-nine".