10086901991 has 2 divisors, whose sum is σ = 10086901992. Its totient is φ = 10086901990.

The previous prime is 10086901973. The next prime is 10086901997. The reversal of 10086901991 is 19910968001.

It is a strong prime.

It is an emirp because it is prime and its reverse (19910968001) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 16610698001 and 10089601661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10086901991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10086901997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5043450995 + 5043450996.

It is an arithmetic number, because the mean of its divisors is an integer number (5043450996).

Almost surely, 2^10086901991 is an apocalyptic number.

10086901991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10086901991 is an equidigital number, since it uses as much as digits as its factorization.

10086901991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 10086901991 in words is "ten billion, eighty-six million, nine hundred one thousand, nine hundred ninety-one".