1471018481 has 4 divisors (see below), whose sum is σ = 1479521652. Its totient is φ = 1462515312.

The previous prime is 1471018469. The next prime is 1471018489. The reversal of 1471018481 is 1848101741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1848101741 = 4801 ⋅384941.

It can be written as a sum of positive squares in 2 ways, for example, as 1095279025 + 375739456 = 33095^2 + 19384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471018481 - 2³⁰ = 397276657 is a prime.

It is a super-2 number, since 2×1471018481² = 4327790742887094722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1471018489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4251326 + ... + 4251671.

It is an arithmetic number, because the mean of its divisors is an integer number (369880413).

Almost surely, 2^1471018481 is an apocalyptic number.

It is an amenable number.

1471018481 is a deficient number, since it is larger than the sum of its proper divisors (8503171).

1471018481 is an equidigital number, since it uses as much as digits as its factorization.

1471018481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503170.

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 1471018481 is about 38353.8587498051. The cubic root of 1471018481 is about 1137.2938997203.

The spelling of 1471018481 in words is "one billion, four hundred seventy-one million, eighteen thousand, four hundred eighty-one".