1455389516389 has 16 divisors (see below), whose sum is σ = 1567796296000. Its totient is φ = 1346570822016.

The previous prime is 1455389516387. The next prime is 1455389516411. The reversal of 1455389516389 is 9836159835541.

It is not a de Polignac number, because 1455389516389 - 2¹ = 1455389516387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455389516387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7364137 + ... + 7559185.

It is an arithmetic number, because the mean of its divisors is an integer number (97987268500).

Almost surely, 2^{1455389516389} is an apocalyptic number.

1455389516389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1455389516389 is a deficient number, since it is larger than the sum of its proper divisors (112406779611).

1455389516389 is a wasteful number, since it uses less digits than its factorization.

1455389516389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204244.

The product of its digits is 139968000, while the sum is 67.

The spelling of 1455389516389 in words is "one trillion, four hundred fifty-five billion, three hundred eighty-nine million, five hundred sixteen thousand, three hundred eighty-nine".