65042578339 has 8 divisors (see below), whose sum is σ = 65547145440. Its totient is φ = 64539381696.

The previous prime is 65042578291. The next prime is 65042578361. The reversal of 65042578339 is 93387524056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65042578339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65042578369) 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, 247224 + ... + 437269.

It is an arithmetic number, because the mean of its divisors is an integer number (8193393180).

Almost surely, 2^65042578339 is an apocalyptic number.

65042578339 is a deficient number, since it is larger than the sum of its proper divisors (504567101).

65042578339 is a wasteful number, since it uses less digits than its factorization.

65042578339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685229.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 65042578339 in words is "sixty-five billion, forty-two million, five hundred seventy-eight thousand, three hundred thirty-nine".