65798859049 has 8 divisors (see below), whose sum is σ = 82034941248. Its totient is φ = 51271838160.

The previous prime is 65798859043. The next prime is 65798859101. The reversal of 65798859049 is 94095889756.

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 65798859049 - 2¹⁷ = 65798727977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65798859043) 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, 427265242 + ... + 427265395.

It is an arithmetic number, because the mean of its divisors is an integer number (10254367656).

Almost surely, 2^65798859049 is an apocalyptic number.

It is an amenable number.

65798859049 is a deficient number, since it is larger than the sum of its proper divisors (16236082199).

65798859049 is a wasteful number, since it uses less digits than its factorization.

65798859049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854530655.

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 65798859049 in words is "sixty-five billion, seven hundred ninety-eight million, eight hundred fifty-nine thousand, forty-nine".