1468705481 has 8 divisors (see below), whose sum is σ = 1476189000. Its totient is φ = 1461232512.

The previous prime is 1468705451. The next prime is 1468705517. The reversal of 1468705481 is 1845078641.

It can be written as a sum of positive squares in 4 ways, for example, as 12138256 + 1456567225 = 3484^2 + 38165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1468705481 is a prime.

It is a super-2 number, since 2×1468705481² = 4314191579838882722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1468705451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532895 + ... + 535643.

It is an arithmetic number, because the mean of its divisors is an integer number (184523625).

Almost surely, 2^1468705481 is an apocalyptic number.

It is an amenable number.

1468705481 is a deficient number, since it is larger than the sum of its proper divisors (7483519).

1468705481 is a wasteful number, since it uses less digits than its factorization.

1468705481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1468705481 is about 38323.6934676187. The cubic root of 1468705481 is about 1136.6975009719.

The spelling of 1468705481 in words is "one billion, four hundred sixty-eight million, seven hundred five thousand, four hundred eighty-one".