6547410981 has 8 divisors (see below), whose sum is σ = 9699868160. Its totient is φ = 4364940636.

The previous prime is 6547410973. The next prime is 6547411061. The reversal of 6547410981 is 1890147456.

6547410981 is a `hidden beast` number, since 6 + 547 + 4 + 10 + 98 + 1 = 666.

It is not a de Polignac number, because 6547410981 - 2³ = 6547410973 is a prime.

It is a super-2 number, since 2×6547410981² = 85737181108238764722, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6547410911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121248325 + ... + 121248378.

It is an arithmetic number, because the mean of its divisors is an integer number (1212483520).

Almost surely, 2^6547410981 is an apocalyptic number.

It is an amenable number.

6547410981 is a deficient number, since it is larger than the sum of its proper divisors (3152457179).

6547410981 is a wasteful number, since it uses less digits than its factorization.

6547410981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242496712 (or 242496706 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 6547410981 is about 80916.0736874943. The cubic root of 6547410981 is about 1870.7820783346.

The spelling of 6547410981 in words is "six billion, five hundred forty-seven million, four hundred ten thousand, nine hundred eighty-one".