808453060689481 has 9 divisors (see below), whose sum is σ = 808768935940269. Its totient is φ = 808137308793036.

The previous prime is 808453060689437. The next prime is 808453060689487. The reversal of 808453060689481 is 184986060354808.

The square root of 808453060689481 is 28433309.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 808453060689481 - 2²⁷ = 808452926471753 is a prime.

It is a super-2 number, since 2×808453060689481² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 808453060689481.

It is not an unprimeable number, because it can be changed into a prime (808453060689487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 113818532376 + ... + 113818539478.

Almost surely, 2^{808453060689481} is an apocalyptic number.

808453060689481 is the 28433309-th square number.

808453060689481 is the 14216655-th centered octagonal number.

It is an amenable number.

808453060689481 is a deficient number, since it is larger than the sum of its proper divisors (315875250788).

808453060689481 is an frugal number, since it uses more digits than its factorization.

808453060689481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22212 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 70.

The spelling of 808453060689481 in words is "eight hundred eight trillion, four hundred fifty-three billion, sixty million, six hundred eighty-nine thousand, four hundred eighty-one".