65331828739 has 4 divisors (see below), whose sum is σ = 68172343056. Its totient is φ = 62491314424.

The previous prime is 65331828623. The next prime is 65331828763. The reversal of 65331828739 is 93782813356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65331828739 - 2¹¹ = 65331826691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65331828739.

It is not an unprimeable number, because it can be changed into a prime (65331828539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420257124 + ... + 1420257169.

It is an arithmetic number, because the mean of its divisors is an integer number (17043085764).

Almost surely, 2^65331828739 is an apocalyptic number.

65331828739 is a deficient number, since it is larger than the sum of its proper divisors (2840514317).

65331828739 is a wasteful number, since it uses less digits than its factorization.

65331828739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840514316.

The product of its digits is 6531840, while the sum is 55.

The spelling of 65331828739 in words is "sixty-five billion, three hundred thirty-one million, eight hundred twenty-eight thousand, seven hundred thirty-nine".