1468724481 has 60 divisors (see below), whose sum is σ = 2569573908. Its totient is φ = 833571648.

The previous prime is 1468724473. The next prime is 1468724489. The reversal of 1468724481 is 1844278641.

1468724481 is a `hidden beast` number, since 1 + 468 + 72 + 44 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (1468724473) and next prime (1468724489).

It can be written as a sum of positive squares in 2 ways, for example, as 345402225 + 1123322256 = 18585^2 + 33516^2 .

It is not a de Polignac number, because 1468724481 - 2³ = 1468724473 is a prime.

It is a super-2 number, since 2×1468724481² = 4314303202177438722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1468724489) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 621955 + ... + 624311.

Almost surely, 2^1468724481 is an apocalyptic number.

It is an amenable number.

1468724481 is a deficient number, since it is larger than the sum of its proper divisors (1100849427).

1468724481 is a wasteful number, since it uses less digits than its factorization.

1468724481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540 (or 2524 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 1468724481 is about 38323.9413552416. The cubic root of 1468724481 is about 1136.7024026035.

The spelling of 1468724481 in words is "one billion, four hundred sixty-eight million, seven hundred twenty-four thousand, four hundred eighty-one".