65430642043500 has 96 divisors (see below), whose sum is σ = 190566564027840. Its totient is φ = 17445191872000.

The previous prime is 65430642043493. The next prime is 65430642043523. The reversal of 65430642043500 is 534024603456.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5070256 + ... + 12512744.

It is an arithmetic number, because the mean of its divisors is an integer number (1985068375290).

Almost surely, 2^{65430642043500} is an apocalyptic number.

65430642043500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65430642043500 is an abundant number, since it is smaller than the sum of its proper divisors (125135921984340).

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

65430642043500 is a wasteful number, since it uses less digits than its factorization.

65430642043500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448372 (or 7448360 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 65430642043500 its reverse (534024603456), we get a palindrome (65964666646956).

The spelling of 65430642043500 in words is "sixty-five trillion, four hundred thirty billion, six hundred forty-two million, forty-three thousand, five hundred".