65130442543 has 4 divisors (see below), whose sum is σ = 65141896720. Its totient is φ = 65118988368.

The previous prime is 65130442537. The next prime is 65130442549. The reversal of 65130442543 is 34524403156.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (65130442537) and next prime (65130442549).

It is a cyclic number.

It is not a de Polignac number, because 65130442543 - 2³³ = 56540507951 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 (65130442549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718555 + ... + 5729932.

It is an arithmetic number, because the mean of its divisors is an integer number (16285474180).

Almost surely, 2^65130442543 is an apocalyptic number.

65130442543 is a deficient number, since it is larger than the sum of its proper divisors (11454177).

65130442543 is a wasteful number, since it uses less digits than its factorization.

65130442543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454176.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 65130442543 its reverse (34524403156), we get a palindrome (99654845699).

The spelling of 65130442543 in words is "sixty-five billion, one hundred thirty million, four hundred forty-two thousand, five hundred forty-three".