4345641481 has 2 divisors, whose sum is σ = 4345641482. Its totient is φ = 4345641480.

The previous prime is 4345641463. The next prime is 4345641493. The reversal of 4345641481 is 1841465434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2506003600 + 1839637881 = 50060^2 + 42891^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345641481 - 2⁷ = 4345641353 is a prime.

It is a super-2 number, since 2×4345641481² = 37769199762775746722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4345641431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172820740 + 2172820741.

It is an arithmetic number, because the mean of its divisors is an integer number (2172820741).

Almost surely, 2^4345641481 is an apocalyptic number.

It is an amenable number.

4345641481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345641481 is an equidigital number, since it uses as much as digits as its factorization.

4345641481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 40.

The square root of 4345641481 is about 65921.4796633085. The cubic root of 4345641481 is about 1631.8665159040.

The spelling of 4345641481 in words is "four billion, three hundred forty-five million, six hundred forty-one thousand, four hundred eighty-one".