481920369699321 has 48 divisors (see below), whose sum is σ = 798224773650304. Its totient is φ = 274457746351872.

The previous prime is 481920369699319. The next prime is 481920369699337. The reversal of 481920369699321 is 123996963029184.

481920369699321 is a `hidden beast` number, since 4 + 8 + 1 + 9 + 203 + 6 + 9 + 6 + 99 + 321 = 666.

It is not a de Polignac number, because 481920369699321 - 2¹ = 481920369699319 is a prime.

It is a super-2 number, since 2×481920369699321² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 481920369699321.

It is not an unprimeable number, because it can be changed into a prime (481920369699221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186965925 + ... + 189525981.

Almost surely, 2^{481920369699321} is an apocalyptic number.

It is an amenable number.

481920369699321 is a deficient number, since it is larger than the sum of its proper divisors (316304403950983).

481920369699321 is a wasteful number, since it uses less digits than its factorization.

481920369699321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570110 (or 2570107 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 481920369699321 in words is "four hundred eighty-one trillion, nine hundred twenty billion, three hundred sixty-nine million, six hundred ninety-nine thousand, three hundred twenty-one".