544341989 has 16 divisors (see below), whose sum is σ = 620835840. Its totient is φ = 474228480.

The previous prime is 544341983. The next prime is 544341991. The reversal of 544341989 is 989143445.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544341989 is a prime.

It is a super-2 number, since 2×544341989² = 592616401976952242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544341983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10334 + ... + 34575.

It is an arithmetic number, because the mean of its divisors is an integer number (38802240).

Almost surely, 2^544341989 is an apocalyptic number.

It is an amenable number.

544341989 is a deficient number, since it is larger than the sum of its proper divisors (76493851).

544341989 is a wasteful number, since it uses less digits than its factorization.

544341989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44980.

The product of its digits is 622080, while the sum is 47.

The square root of 544341989 is about 23331.1377562261. The cubic root of 544341989 is about 816.5020484152.

The spelling of 544341989 in words is "five hundred forty-four million, three hundred forty-one thousand, nine hundred eighty-nine".