65513641443 has 8 divisors (see below), whose sum is σ = 87352949328. Its totient is φ = 43675047264.

The previous prime is 65513641441. The next prime is 65513641447. The reversal of 65513641443 is 34414631556.

It is a happy number.

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

It is not a de Polignac number, because 65513641443 - 2¹ = 65513641441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65513641395 and 65513641404.

It is not an unprimeable number, because it can be changed into a prime (65513641441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96105 + ... + 374517.

It is an arithmetic number, because the mean of its divisors is an integer number (10919118666).

Almost surely, 2^65513641443 is an apocalyptic number.

65513641443 is a deficient number, since it is larger than the sum of its proper divisors (21839307885).

65513641443 is a wasteful number, since it uses less digits than its factorization.

65513641443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356853.

The product of its digits is 518400, while the sum is 42.

The spelling of 65513641443 in words is "sixty-five billion, five hundred thirteen million, six hundred forty-one thousand, four hundred forty-three".