45436601081 has 2 divisors, whose sum is σ = 45436601082. Its totient is φ = 45436601080.

The previous prime is 45436601057. The next prime is 45436601099. The reversal of 45436601081 is 18010663454.

45436601081 is digitally balanced in base 2, 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., 25893959056 + 19542642025 = 160916^2 + 139795^2 .

It is a cyclic number.

It is not a de Polignac number, because 45436601081 - 2³⁰ = 44362859257 is a prime.

It is a super-2 number, since 2×45436601081² (a number of 22 digits) 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 (45436601011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22718300540 + 22718300541.

It is an arithmetic number, because the mean of its divisors is an integer number (22718300541).

Almost surely, 2^45436601081 is an apocalyptic number.

It is an amenable number.

45436601081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45436601081 is an equidigital number, since it uses as much as digits as its factorization.

45436601081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 45436601081 in words is "forty-five billion, four hundred thirty-six million, six hundred one thousand, eighty-one".