40477445451673 has 2 divisors, whose sum is σ = 40477445451674. Its totient is φ = 40477445451672.

The previous prime is 40477445451613. The next prime is 40477445451719. The reversal of 40477445451673 is 37615454477404.

40477445451673 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., 29559522775689 + 10917922675984 = 5436867^2 + 3304228^2 .

It is a cyclic number.

It is not a de Polignac number, because 40477445451673 - 2⁴¹ = 38278422196121 is a prime.

It is not a weakly prime, because it can be changed into another prime (40477445451613) 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, 20238722725836 + 20238722725837.

It is an arithmetic number, because the mean of its divisors is an integer number (20238722725837).

Almost surely, 2^{40477445451673} is an apocalyptic number.

It is an amenable number.

40477445451673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40477445451673 is an equidigital number, since it uses as much as digits as its factorization.

40477445451673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158054400, while the sum is 61.

The spelling of 40477445451673 in words is "forty trillion, four hundred seventy-seven billion, four hundred forty-five million, four hundred fifty-one thousand, six hundred seventy-three".