428669795563 has 2 divisors, whose sum is σ = 428669795564. Its totient is φ = 428669795562.

The previous prime is 428669795539. The next prime is 428669795579. The reversal of 428669795563 is 365597966824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428669795563 - 2²¹ = 428667698411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428669795492 and 428669795501.

It is not a weakly prime, because it can be changed into another prime (428669795963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214334897781 + 214334897782.

It is an arithmetic number, because the mean of its divisors is an integer number (214334897782).

Almost surely, 2^428669795563 is an apocalyptic number.

428669795563 is a deficient number, since it is larger than the sum of its proper divisors (1).

428669795563 is an equidigital number, since it uses as much as digits as its factorization.

428669795563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 587865600, while the sum is 70.

The spelling of 428669795563 in words is "four hundred twenty-eight billion, six hundred sixty-nine million, seven hundred ninety-five thousand, five hundred sixty-three".