547498989 has 6 divisors (see below), whose sum is σ = 790831886. Its totient is φ = 364999320.

The previous prime is 547498981. The next prime is 547498999. The reversal of 547498989 is 989894745.

547498989 is a `hidden beast` number, since 5 + 474 + 9 + 89 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 353816100 + 193682889 = 18810^2 + 13917^2 .

It is not a de Polignac number, because 547498989 - 2³ = 547498981 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547498981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30416602 + ... + 30416619.

Almost surely, 2^547498989 is an apocalyptic number.

It is an amenable number.

547498989 is a deficient number, since it is larger than the sum of its proper divisors (243332897).

547498989 is a wasteful number, since it uses less digits than its factorization.

547498989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60833227 (or 60833224 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 547498989 is about 23398.6963098374. The cubic root of 547498989 is about 818.0774855212.

The spelling of 547498989 in words is "five hundred forty-seven million, four hundred ninety-eight thousand, nine hundred eighty-nine".