45441021473 has 2 divisors, whose sum is σ = 45441021474. Its totient is φ = 45441021472.

The previous prime is 45441021347. The next prime is 45441021487. The reversal of 45441021473 is 37412014454.

Together with previous prime (45441021347) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39088453264 + 6352568209 = 197708^2 + 79703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45441021473 is a prime.

It is not a weakly prime, because it can be changed into another prime (45441023473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22720510736 + 22720510737.

It is an arithmetic number, because the mean of its divisors is an integer number (22720510737).

Almost surely, 2^45441021473 is an apocalyptic number.

It is an amenable number.

45441021473 is a deficient number, since it is larger than the sum of its proper divisors (1).

45441021473 is an equidigital number, since it uses as much as digits as its factorization.

45441021473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 45441021473 in words is "forty-five billion, four hundred forty-one million, twenty-one thousand, four hundred seventy-three".