428364049409 has 8 divisors (see below), whose sum is σ = 428683437312. Its totient is φ = 428044750560.

The previous prime is 428364049367. The next prime is 428364049427. The reversal of 428364049409 is 904940463824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428364049409 - 2²⁴ = 428347272193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428364049439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11886632 + ... + 11922614.

It is an arithmetic number, because the mean of its divisors is an integer number (53585429664).

Almost surely, 2^428364049409 is an apocalyptic number.

It is an amenable number.

428364049409 is a deficient number, since it is larger than the sum of its proper divisors (319387903).

428364049409 is a wasteful number, since it uses less digits than its factorization.

428364049409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44527.

The product of its (nonzero) digits is 5971968, while the sum is 53.

The spelling of 428364049409 in words is "four hundred twenty-eight billion, three hundred sixty-four million, forty-nine thousand, four hundred nine".