4691155481 has 2 divisors, whose sum is σ = 4691155482. Its totient is φ = 4691155480.

The previous prime is 4691155429. The next prime is 4691155487. The reversal of 4691155481 is 1845511964.

4691155481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4676371456 + 14784025 = 68384^2 + 3845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4691155481 - 2²² = 4686961177 is a prime.

It is a super-2 number, since 2×4691155481² = 44013879493832682722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4691155487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345577740 + 2345577741.

It is an arithmetic number, because the mean of its divisors is an integer number (2345577741).

Almost surely, 2^4691155481 is an apocalyptic number.

It is an amenable number.

4691155481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691155481 is an equidigital number, since it uses as much as digits as its factorization.

4691155481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 44.

The square root of 4691155481 is about 68492.0103442730. The cubic root of 4691155481 is about 1674.0173020664.

The spelling of 4691155481 in words is "four billion, six hundred ninety-one million, one hundred fifty-five thousand, four hundred eighty-one".