554444445554989 has 8 divisors (see below), whose sum is σ = 605204488720800. Its totient is φ = 503743736166000.

The previous prime is 554444445554977. The next prime is 554444445555067. The reversal of 554444445554989 is 989455544444455.

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

It is not a de Polignac number, because 554444445554989 - 2⁵ = 554444445554957 is a prime.

It is a super-2 number, since 2×554444445554989² (a number of 30 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 (554444445555989) 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, 14833424662 + ... + 14833462039.

It is an arithmetic number, because the mean of its divisors is an integer number (75650561090100).

Almost surely, 2^{554444445554989} is an apocalyptic number.

It is an amenable number.

554444445554989 is a deficient number, since it is larger than the sum of its proper divisors (50760043165811).

554444445554989 is a wasteful number, since it uses less digits than its factorization.

554444445554989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29666888411.

The product of its digits is 33177600000, while the sum is 79.

The spelling of 554444445554989 in words is "five hundred fifty-four trillion, four hundred forty-four billion, four hundred forty-five million, five hundred fifty-four thousand, nine hundred eighty-nine".