65419827530 has 8 divisors (see below), whose sum is σ = 117755689572. Its totient is φ = 26167931008.

The previous prime is 65419827497. The next prime is 65419827619. The reversal of 65419827530 is 3572891456.

It is a happy number.

It is a Cunningham number, because it is equal to 255773²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 65419827529 + 1 = 255773^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270991367 + ... + 3270991386.

It is a 1-persistent number, because it is pandigital, but 2⋅65419827530 = 130839655060 is not.

Almost surely, 2^65419827530 is an apocalyptic number.

65419827530 is a deficient number, since it is larger than the sum of its proper divisors (52335862042).

65419827530 is a wasteful number, since it uses less digits than its factorization.

65419827530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541982760.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 65419827530 in words is "sixty-five billion, four hundred nineteen million, eight hundred twenty-seven thousand, five hundred thirty".