65149872999 has 8 divisors (see below), whose sum is σ = 86873668080. Its totient is φ = 43429663296.

The previous prime is 65149872989. The next prime is 65149873001. The reversal of 65149872999 is 99927894156.

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

It is not a de Polignac number, because 65149872999 - 2¹⁷ = 65149741927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65149872989) 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, 853654 + ... + 926835.

It is an arithmetic number, because the mean of its divisors is an integer number (10859208510).

Almost surely, 2^65149872999 is an apocalyptic number.

65149872999 is a deficient number, since it is larger than the sum of its proper divisors (21723795081).

65149872999 is a wasteful number, since it uses less digits than its factorization.

65149872999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792689.

The product of its digits is 88179840, while the sum is 69.

The spelling of 65149872999 in words is "sixty-five billion, one hundred forty-nine million, eight hundred seventy-two thousand, nine hundred ninety-nine".