471164981 has 16 divisors (see below), whose sum is σ = 544272000. Its totient is φ = 399532608.

The previous prime is 471164923. The next prime is 471164999. The reversal of 471164981 is 189461174.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471164981 is a prime.

It is a super-2 number, since 2×471164981² = 443992878641460722, which 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 (471160981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276470 + ... + 278168.

It is an arithmetic number, because the mean of its divisors is an integer number (34017000).

Almost surely, 2^471164981 is an apocalyptic number.

It is an amenable number.

471164981 is a deficient number, since it is larger than the sum of its proper divisors (73107019).

471164981 is a wasteful number, since it uses less digits than its factorization.

471164981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108.

The product of its digits is 48384, while the sum is 41.

The square root of 471164981 is about 21706.3350430237. The cubic root of 471164981 is about 778.1398700642.

The spelling of 471164981 in words is "four hundred seventy-one million, one hundred sixty-four thousand, nine hundred eighty-one".