45517072813 has 2 divisors, whose sum is σ = 45517072814. Its totient is φ = 45517072812.

The previous prime is 45517072793. The next prime is 45517072829. The reversal of 45517072813 is 31827071554.

45517072813 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., 34833369769 + 10683703044 = 186637^2 + 103362^2 .

It is a cyclic number.

It is not a de Polignac number, because 45517072813 - 2⁹ = 45517072301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45517072813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45517070813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758536406 + 22758536407.

It is an arithmetic number, because the mean of its divisors is an integer number (22758536407).

Almost surely, 2^45517072813 is an apocalyptic number.

It is an amenable number.

45517072813 is a deficient number, since it is larger than the sum of its proper divisors (1).

45517072813 is an equidigital number, since it uses as much as digits as its factorization.

45517072813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 45517072813 in words is "forty-five billion, five hundred seventeen million, seventy-two thousand, eight hundred thirteen".