403444104073 has 2 divisors, whose sum is σ = 403444104074. Its totient is φ = 403444104072.

The previous prime is 403444103987. The next prime is 403444104101. The reversal of 403444104073 is 370401444304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400166312569 + 3277791504 = 632587^2 + 57252^2 .

It is a cyclic number.

It is not a de Polignac number, because 403444104073 - 2³⁷ = 266005150601 is a prime.

It is a super-2 number, since 2×403444104073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (403444104673) 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, 201722052036 + 201722052037.

It is an arithmetic number, because the mean of its divisors is an integer number (201722052037).

Almost surely, 2^403444104073 is an apocalyptic number.

It is an amenable number.

403444104073 is a deficient number, since it is larger than the sum of its proper divisors (1).

403444104073 is an equidigital number, since it uses as much as digits as its factorization.

403444104073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 403444104073 its reverse (370401444304), we get a palindrome (773845548377).

The spelling of 403444104073 in words is "four hundred three billion, four hundred forty-four million, one hundred four thousand, seventy-three".