30011000989 has 2 divisors, whose sum is σ = 30011000990. Its totient is φ = 30011000988.

The previous prime is 30011000963. The next prime is 30011001037. The reversal of 30011000989 is 98900011003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23436548100 + 6574452889 = 153090^2 + 81083^2 .

It is a cyclic number.

It is not a de Polignac number, because 30011000989 - 2¹⁹ = 30010476701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30011000989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30011000959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005500494 + 15005500495.

It is an arithmetic number, because the mean of its divisors is an integer number (15005500495).

Almost surely, 2^30011000989 is an apocalyptic number.

It is an amenable number.

30011000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30011000989 is an equidigital number, since it uses as much as digits as its factorization.

30011000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 30011000989 in words is "thirty billion, eleven million, nine hundred eighty-nine", and thus it is an aban number.