403126880449 has 2 divisors, whose sum is σ = 403126880450. Its totient is φ = 403126880448.

The previous prime is 403126880369. The next prime is 403126880561. The reversal of 403126880449 is 944088621304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397160862849 + 5966017600 = 630207^2 + 77240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403126880449 is a prime.

It is a super-2 number, since 2×403126880449² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (403126880749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201563440224 + 201563440225.

It is an arithmetic number, because the mean of its divisors is an integer number (201563440225).

Almost surely, 2^403126880449 is an apocalyptic number.

It is an amenable number.

403126880449 is a deficient number, since it is larger than the sum of its proper divisors (1).

403126880449 is an equidigital number, since it uses as much as digits as its factorization.

403126880449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 403126880449 in words is "four hundred three billion, one hundred twenty-six million, eight hundred eighty thousand, four hundred forty-nine".