8395295981 has 2 divisors, whose sum is σ = 8395295982. Its totient is φ = 8395295980.

The previous prime is 8395295957. The next prime is 8395296001. The reversal of 8395295981 is 1895925938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7863255625 + 532040356 = 88675^2 + 23066^2 .

It is a cyclic number.

It is not a de Polignac number, because 8395295981 - 2⁶ = 8395295917 is a prime.

It is a super-2 number, since 2×8395295981² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8395295981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8395295281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4197647990 + 4197647991.

It is an arithmetic number, because the mean of its divisors is an integer number (4197647991).

Almost surely, 2^8395295981 is an apocalyptic number.

It is an amenable number.

8395295981 is a deficient number, since it is larger than the sum of its proper divisors (1).

8395295981 is an equidigital number, since it uses as much as digits as its factorization.

8395295981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 59.

The square root of 8395295981 is about 91625.8477777969. The cubic root of 8395295981 is about 2032.4131866030.

The spelling of 8395295981 in words is "eight billion, three hundred ninety-five million, two hundred ninety-five thousand, nine hundred eighty-one".