1014440789 has 2 divisors, whose sum is σ = 1014440790. Its totient is φ = 1014440788.

The previous prime is 1014440771. The next prime is 1014440839. The reversal of 1014440789 is 9870444101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605996689 + 408444100 = 24617^2 + 20210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1014440789 is a prime.

It is a super-2 number, since 2×1014440789² = 2058180228773885042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014440389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507220394 + 507220395.

It is an arithmetic number, because the mean of its divisors is an integer number (507220395).

Almost surely, 2^1014440789 is an apocalyptic number.

It is an amenable number.

1014440789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014440789 is an equidigital number, since it uses as much as digits as its factorization.

1014440789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1014440789 is about 31850.2871101659. The cubic root of 1014440789 is about 1004.7906097435.

The spelling of 1014440789 in words is "one billion, fourteen million, four hundred forty thousand, seven hundred eighty-nine".