65343610637 has 8 divisors (see below), whose sum is σ = 67639587840. Its totient is φ = 63050483440.

The previous prime is 65343610603. The next prime is 65343610649. The reversal of 65343610637 is 73601634356.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65343610637 - 2²² = 65339416333 is a prime.

It is a super-3 number, since 3×65343610637³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65343613637) 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, 665789 + ... + 757602.

It is an arithmetic number, because the mean of its divisors is an integer number (8454948480).

Almost surely, 2^65343610637 is an apocalyptic number.

It is an amenable number.

65343610637 is a deficient number, since it is larger than the sum of its proper divisors (2295977203).

65343610637 is a wasteful number, since it uses less digits than its factorization.

65343610637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425003.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 65343610637 in words is "sixty-five billion, three hundred forty-three million, six hundred ten thousand, six hundred thirty-seven".