428669795548 has 6 divisors (see below), whose sum is σ = 750172142216. Its totient is φ = 214334897772.

The previous prime is 428669795539. The next prime is 428669795563. The reversal of 428669795548 is 845597966824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53583724440 + ... + 53583724447.

Almost surely, 2^428669795548 is an apocalyptic number.

It is an amenable number.

428669795548 is a deficient number, since it is larger than the sum of its proper divisors (321502346668).

428669795548 is a wasteful number, since it uses less digits than its factorization.

428669795548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107167448891 (or 107167448889 counting only the distinct ones).

The product of its digits is 1045094400, while the sum is 73.

The spelling of 428669795548 in words is "four hundred twenty-eight billion, six hundred sixty-nine million, seven hundred ninety-five thousand, five hundred forty-eight".