1163463481 has 4 divisors (see below), whose sum is σ = 1173759732. Its totient is φ = 1153167232.

The previous prime is 1163463479. The next prime is 1163463503. The reversal of 1163463481 is 1843643611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1843643611 = 163 ⋅11310697.

It can be written as a sum of positive squares in 2 ways, for example, as 500864400 + 662599081 = 22380^2 + 25741^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163463481 - 2¹ = 1163463479 is a prime.

It is a super-2 number, since 2×1163463481² = 2707294543241274722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1163463481.

It is not an unprimeable number, because it can be changed into a prime (1163463451) 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, 5147956 + ... + 5148181.

It is an arithmetic number, because the mean of its divisors is an integer number (293439933).

Almost surely, 2^1163463481 is an apocalyptic number.

It is an amenable number.

1163463481 is a deficient number, since it is larger than the sum of its proper divisors (10296251).

1163463481 is a wasteful number, since it uses less digits than its factorization.

1163463481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296250.

The product of its digits is 41472, while the sum is 37.

The square root of 1163463481 is about 34109.5804870127. The cubic root of 1163463481 is about 1051.7622654427.

The spelling of 1163463481 in words is "one billion, one hundred sixty-three million, four hundred sixty-three thousand, four hundred eighty-one".