428153608907 has 4 divisors (see below), whose sum is σ = 432567563736. Its totient is φ = 423739654080.

The previous prime is 428153608903. The next prime is 428153608913. The reversal of 428153608907 is 709806351824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428153608907 - 2² = 428153608903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428153608903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206977269 + ... + 2206977462.

It is an arithmetic number, because the mean of its divisors is an integer number (108141890934).

It is a 1-persistent number, because it is pandigital, but 2⋅428153608907 = 856307217814 is not.

Almost surely, 2^428153608907 is an apocalyptic number.

428153608907 is a deficient number, since it is larger than the sum of its proper divisors (4413954829).

428153608907 is an equidigital number, since it uses as much as digits as its factorization.

428153608907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413954828.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 428153608907 in words is "four hundred twenty-eight billion, one hundred fifty-three million, six hundred eight thousand, nine hundred seven".