2005014989 has 2 divisors, whose sum is σ = 2005014990. Its totient is φ = 2005014988.

The previous prime is 2005014961. The next prime is 2005015027. The reversal of 2005014989 is 9894105002.

It is an a-pointer prime, because the next prime (2005015027) can be obtained adding 2005014989 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1906806889 + 98208100 = 43667^2 + 9910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005014989 - 2⁸ = 2005014733 is a prime.

It is a super-2 number, since 2×2005014989² = 8040170212229340242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005014959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002507494 + 1002507495.

It is an arithmetic number, because the mean of its divisors is an integer number (1002507495).

Almost surely, 2^2005014989 is an apocalyptic number.

It is an amenable number.

2005014989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005014989 is an equidigital number, since it uses as much as digits as its factorization.

2005014989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2005014989 is about 44777.3937271923. The cubic root of 2005014989 is about 1260.9732526211.

The spelling of 2005014989 in words is "two billion, five million, fourteen thousand, nine hundred eighty-nine".