45756357217 has 2 divisors, whose sum is σ = 45756357218. Its totient is φ = 45756357216.

The previous prime is 45756357193. The next prime is 45756357253. The reversal of 45756357217 is 71275365754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31880459601 + 13875897616 = 178551^2 + 117796^2 .

It is a cyclic number.

It is not a de Polignac number, because 45756357217 - 2¹⁹ = 45755832929 is a prime.

It is not a weakly prime, because it can be changed into another prime (45756357617) 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, 22878178608 + 22878178609.

It is an arithmetic number, because the mean of its divisors is an integer number (22878178609).

Almost surely, 2^45756357217 is an apocalyptic number.

It is an amenable number.

45756357217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45756357217 is an equidigital number, since it uses as much as digits as its factorization.

45756357217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174000, while the sum is 52.

The spelling of 45756357217 in words is "forty-five billion, seven hundred fifty-six million, three hundred fifty-seven thousand, two hundred seventeen".