65013438959 has 8 divisors (see below), whose sum is σ = 74304615840. Its totient is φ = 55723147776.

The previous prime is 65013438949. The next prime is 65013438961. The reversal of 65013438959 is 95983431056.

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 65013438959 - 2¹⁶ = 65013373423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65013438959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65013438949) 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, 55874 + ... + 364895.

It is an arithmetic number, because the mean of its divisors is an integer number (9288076980).

Almost surely, 2^65013438959 is an apocalyptic number.

65013438959 is a deficient number, since it is larger than the sum of its proper divisors (9291176881).

65013438959 is a wasteful number, since it uses less digits than its factorization.

65013438959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442849.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 65013438959 in words is "sixty-five billion, thirteen million, four hundred thirty-eight thousand, nine hundred fifty-nine".