7895488849 has 2 divisors, whose sum is σ = 7895488850. Its totient is φ = 7895488848.

The previous prime is 7895488847. The next prime is 7895488889. The reversal of 7895488849 is 9488845987.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4043052225 + 3852436624 = 63585^2 + 62068^2 .

It is a cyclic number.

It is not a de Polignac number, because 7895488849 - 2¹ = 7895488847 is a prime.

Together with 7895488847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7895488841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3947744424 + 3947744425.

It is an arithmetic number, because the mean of its divisors is an integer number (3947744425).

Almost surely, 2^7895488849 is an apocalyptic number.

It is an amenable number.

7895488849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7895488849 is an equidigital number, since it uses as much as digits as its factorization.

7895488849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185794560, while the sum is 70.

The square root of 7895488849 is about 88856.5633422765. The cubic root of 7895488849 is about 1991.2525341153.

The spelling of 7895488849 in words is "seven billion, eight hundred ninety-five million, four hundred eighty-eight thousand, eight hundred forty-nine".