989494001011 has 2 divisors, whose sum is σ = 989494001012. Its totient is φ = 989494001010.

The previous prime is 989494000987. The next prime is 989494001029. The reversal of 989494001011 is 110100494989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989494001011 - 2¹¹ = 989493998963 is a prime.

It is not a weakly prime, because it can be changed into another prime (989494001081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494747000505 + 494747000506.

It is an arithmetic number, because the mean of its divisors is an integer number (494747000506).

Almost surely, 2^989494001011 is an apocalyptic number.

989494001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

989494001011 is an equidigital number, since it uses as much as digits as its factorization.

989494001011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 989494001011 in words is "nine hundred eighty-nine billion, four hundred ninety-four million, one thousand, eleven".