211010000989 has 2 divisors, whose sum is σ = 211010000990. Its totient is φ = 211010000988.

The previous prime is 211010000951. The next prime is 211010001019. The reversal of 211010000989 is 989000010112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122111808025 + 88898192964 = 349445^2 + 298158^2 .

It is a cyclic number.

It is not a de Polignac number, because 211010000989 - 2¹⁹ = 211009476701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211010000989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211010000489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505000494 + 105505000495.

It is an arithmetic number, because the mean of its divisors is an integer number (105505000495).

Almost surely, 2^211010000989 is an apocalyptic number.

It is an amenable number.

211010000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010000989 is an equidigital number, since it uses as much as digits as its factorization.

211010000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 211010000989 in words is "two hundred eleven billion, ten million, nine hundred eighty-nine", and thus it is an aban number.