994653000091 has 2 divisors, whose sum is σ = 994653000092. Its totient is φ = 994653000090.

The previous prime is 994653000073. The next prime is 994653000097. The reversal of 994653000091 is 190000356499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994653000091 - 2²¹ = 994650902939 is a prime.

It is not a weakly prime, because it can be changed into another prime (994653000097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497326500045 + 497326500046.

It is an arithmetic number, because the mean of its divisors is an integer number (497326500046).

Almost surely, 2^994653000091 is an apocalyptic number.

994653000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

994653000091 is an equidigital number, since it uses as much as digits as its factorization.

994653000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 994653000091 in words is "nine hundred ninety-four billion, six hundred fifty-three million, ninety-one", and thus it is an aban number.