464221204169481 has 80 divisors (see below), whose sum is σ = 772921758216960. Its totient is φ = 275247043384320.

The previous prime is 464221204169413. The next prime is 464221204169483. The reversal of 464221204169481 is 184961402122464.

464221204169481 is a `hidden beast` number, since 4 + 6 + 4 + 2 + 212 + 0 + 416 + 9 + 4 + 8 + 1 = 666.

It is not a de Polignac number, because 464221204169481 - 2¹⁴ = 464221204153097 is a prime.

It is a super-2 number, since 2×464221204169481² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464221204169483) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 99779865 + ... + 104328633.

It is an arithmetic number, because the mean of its divisors is an integer number (9661521977712).

Almost surely, 2^{464221204169481} is an apocalyptic number.

It is an amenable number.

464221204169481 is a deficient number, since it is larger than the sum of its proper divisors (308700554047479).

464221204169481 is a wasteful number, since it uses less digits than its factorization.

464221204169481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551276 (or 4551267 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 464221204169481 in words is "four hundred sixty-four trillion, two hundred twenty-one billion, two hundred four million, one hundred sixty-nine thousand, four hundred eighty-one".