65419428 has 12 divisors (see below), whose sum is σ = 152645360. Its totient is φ = 21806472.

The previous prime is 65419427. The next prime is 65419439. The reversal of 65419428 is 82491456.

65419428 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

65419428 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (65419421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2725798 + ... + 2725821.

Almost surely, 2^65419428 is an apocalyptic number.

It is an amenable number.

65419428 is an abundant number, since it is smaller than the sum of its proper divisors (87225932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65419428 is a wasteful number, since it uses less digits than its factorization.

65419428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451626 (or 5451624 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 65419428 is about 8088.2277416008. The cubic root of 65419428 is about 402.9355453979.

The spelling of 65419428 in words is "sixty-five million, four hundred nineteen thousand, four hundred twenty-eight".