471066137621 has 16 divisors (see below), whose sum is σ = 486084917376. Its totient is φ = 456169052736.

The previous prime is 471066137527. The next prime is 471066137671. The reversal of 471066137621 is 126731660174.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471066137621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471066137671) 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, 33647795 + ... + 33661791.

It is an arithmetic number, because the mean of its divisors is an integer number (30380307336).

Almost surely, 2^471066137621 is an apocalyptic number.

It is an amenable number.

471066137621 is a deficient number, since it is larger than the sum of its proper divisors (15018779755).

471066137621 is a wasteful number, since it uses less digits than its factorization.

471066137621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268.

The product of its (nonzero) digits is 254016, while the sum is 44.

Adding to 471066137621 its reverse (126731660174), we get a palindrome (597797797795).

The spelling of 471066137621 in words is "four hundred seventy-one billion, sixty-six million, one hundred thirty-seven thousand, six hundred twenty-one".