8091902051 has 2 divisors, whose sum is σ = 8091902052. Its totient is φ = 8091902050.

The previous prime is 8091902023. The next prime is 8091902057. The reversal of 8091902051 is 1502091908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8091902051 - 2¹⁴ = 8091885667 is a prime.

It is not a weakly prime, because it can be changed into another prime (8091902057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045951025 + 4045951026.

It is an arithmetic number, because the mean of its divisors is an integer number (4045951026).

Almost surely, 2^8091902051 is an apocalyptic number.

8091902051 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091902051 is an equidigital number, since it uses as much as digits as its factorization.

8091902051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 8091902051 is about 89955.0001445167. Note that the first 3 decimals coincide. The cubic root of 8091902051 is about 2007.6293636482.

Adding to 8091902051 its reverse (1502091908), we get a palindrome (9593993959).

The spelling of 8091902051 in words is "eight billion, ninety-one million, nine hundred two thousand, fifty-one".