983554455389 has 8 divisors (see below), whose sum is σ = 1072988529600. Its totient is φ = 894123720000.

The previous prime is 983554455313. The next prime is 983554455407.

It is a happy number.

983554455389 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 983554455389 - 2⁸ = 983554455133 is a prime.

It is a super-2 number, since 2×983554455389² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983554455889) 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, 197612 + ... + 1416389.

It is an arithmetic number, because the mean of its divisors is an integer number (134123566200).

Almost surely, 2^983554455389 is an apocalyptic number.

It is an amenable number.

983554455389 is a deficient number, since it is larger than the sum of its proper divisors (89434074211).

983554455389 is a wasteful number, since it uses less digits than its factorization.

983554455389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669411.

The product of its digits is 466560000, while the sum is 68.

The spelling of 983554455389 in words is "nine hundred eighty-three billion, five hundred fifty-four million, four hundred fifty-five thousand, three hundred eighty-nine".