45813587893 has 2 divisors, whose sum is σ = 45813587894. Its totient is φ = 45813587892.

The previous prime is 45813587867. The next prime is 45813587999. The reversal of 45813587893 is 39878531854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30324043044 + 15489544849 = 174138^2 + 124457^2 .

It is a cyclic number.

It is not a de Polignac number, because 45813587893 - 2⁹ = 45813587381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45813587293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22906793946 + 22906793947.

It is an arithmetic number, because the mean of its divisors is an integer number (22906793947).

Almost surely, 2^45813587893 is an apocalyptic number.

It is an amenable number.

45813587893 is a deficient number, since it is larger than the sum of its proper divisors (1).

45813587893 is an equidigital number, since it uses as much as digits as its factorization.

45813587893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29030400, while the sum is 61.

The spelling of 45813587893 in words is "forty-five billion, eight hundred thirteen million, five hundred eighty-seven thousand, eight hundred ninety-three".