981463666364189 has 8 divisors (see below), whose sum is σ = 983228220000288. Its totient is φ = 979699121691120.

The previous prime is 981463666364173. The next prime is 981463666364191.

981463666364189 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981463666364189 - 2⁴ = 981463666364173 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 (981463666364789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240590354 + ... + 244635740.

It is an arithmetic number, because the mean of its divisors is an integer number (122903527500036).

Almost surely, 2^{981463666364189} is an apocalyptic number.

It is an amenable number.

981463666364189 is a deficient number, since it is larger than the sum of its proper divisors (1764553636099).

981463666364189 is a wasteful number, since it uses less digits than its factorization.

981463666364189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481515.

The product of its digits is 5804752896, while the sum is 80.

The spelling of 981463666364189 in words is "nine hundred eighty-one trillion, four hundred sixty-three billion, six hundred sixty-six million, three hundred sixty-four thousand, one hundred eighty-nine".