10193132491 has 2 divisors, whose sum is σ = 10193132492. Its totient is φ = 10193132490.

The previous prime is 10193132489. The next prime is 10193132563. The reversal of 10193132491 is 19423139101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10193132491 - 2¹ = 10193132489 is a prime.

Together with 10193132489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10193132431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5096566245 + 5096566246.

It is an arithmetic number, because the mean of its divisors is an integer number (5096566246).

Almost surely, 2^10193132491 is an apocalyptic number.

10193132491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10193132491 is an equidigital number, since it uses as much as digits as its factorization.

10193132491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 10193132491 in words is "ten billion, one hundred ninety-three million, one hundred thirty-two thousand, four hundred ninety-one".