403428788663 has 2 divisors, whose sum is σ = 403428788664. Its totient is φ = 403428788662.

The previous prime is 403428788611. The next prime is 403428788671. The reversal of 403428788663 is 366887824304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 403428788663 - 2²⁰ = 403427740087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403428788363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201714394331 + 201714394332.

It is an arithmetic number, because the mean of its divisors is an integer number (201714394332).

Almost surely, 2^403428788663 is an apocalyptic number.

403428788663 is a deficient number, since it is larger than the sum of its proper divisors (1).

403428788663 is an equidigital number, since it uses as much as digits as its factorization.

403428788663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 59.

The spelling of 403428788663 in words is "four hundred three billion, four hundred twenty-eight million, seven hundred eighty-eight thousand, six hundred sixty-three".