65430642043501 has 16 divisors (see below), whose sum is σ = 77212014791680. Its totient is φ = 54258832679040.

The previous prime is 65430642043493. The next prime is 65430642043523. The reversal of 65430642043501 is 10534024603456.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65430642043501 - 2³ = 65430642043493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65430642043531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42103416 + ... + 43629793.

It is an arithmetic number, because the mean of its divisors is an integer number (4825750924480).

Almost surely, 2^{65430642043501} is an apocalyptic number.

It is an amenable number.

65430642043501 is a deficient number, since it is larger than the sum of its proper divisors (11781372748179).

65430642043501 is a wasteful number, since it uses less digits than its factorization.

65430642043501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85736764.

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 65430642043501 its reverse (10534024603456), we get a palindrome (75964666646957).

The spelling of 65430642043501 in words is "sixty-five trillion, four hundred thirty billion, six hundred forty-two million, forty-three thousand, five hundred one".