8100963943 has 2 divisors, whose sum is σ = 8100963944. Its totient is φ = 8100963942.

The previous prime is 8100963931. The next prime is 8100963961. The reversal of 8100963943 is 3493690018.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100963943 is a prime.

It is a super-2 number, since 2×8100963943² (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 8100963943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8100963643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050481971 + 4050481972.

It is an arithmetic number, because the mean of its divisors is an integer number (4050481972).

Almost surely, 2^8100963943 is an apocalyptic number.

8100963943 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100963943 is an equidigital number, since it uses as much as digits as its factorization.

8100963943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 8100963943 is about 90005.3550795729. The cubic root of 8100963943 is about 2008.3785131613.

The spelling of 8100963943 in words is "eight billion, one hundred million, nine hundred sixty-three thousand, nine hundred forty-three".