65619023628 has 12 divisors (see below), whose sum is σ = 153111055160. Its totient is φ = 21873007872.

The previous prime is 65619023627. The next prime is 65619023629. The reversal of 65619023628 is 82632091656.

It is an interprime number because it is at equal distance from previous prime (65619023627) and next prime (65619023629).

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

It is not an unprimeable number, because it can be changed into a prime (65619023627) 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 3 ways as a sum of consecutive naturals, for example, 2734125973 + ... + 2734125996.

Almost surely, 2^65619023628 is an apocalyptic number.

It is an amenable number.

65619023628 is an abundant number, since it is smaller than the sum of its proper divisors (87492031532).

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

65619023628 is a wasteful number, since it uses less digits than its factorization.

65619023628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468251976 (or 5468251974 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 65619023628 in words is "sixty-five billion, six hundred nineteen million, twenty-three thousand, six hundred twenty-eight".