8105651263 has 2 divisors, whose sum is σ = 8105651264. Its totient is φ = 8105651262.

The previous prime is 8105651261. The next prime is 8105651363. The reversal of 8105651263 is 3621565018.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8105651263 - 2¹ = 8105651261 is a prime.

Together with 8105651261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8105651261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4052825631 + 4052825632.

It is an arithmetic number, because the mean of its divisors is an integer number (4052825632).

Almost surely, 2^8105651263 is an apocalyptic number.

8105651263 is a deficient number, since it is larger than the sum of its proper divisors (1).

8105651263 is an equidigital number, since it uses as much as digits as its factorization.

8105651263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 8105651263 is about 90031.3904313379. The cubic root of 8105651263 is about 2008.7657961955.

The spelling of 8105651263 in words is "eight billion, one hundred five million, six hundred fifty-one thousand, two hundred sixty-three".