65578297949383 has 16 divisors (see below), whose sum is σ = 73090725822720. Its totient is φ = 58472000205696.

The previous prime is 65578297949357. The next prime is 65578297949393. The reversal of 65578297949383 is 38394979287556.

It is a cyclic number.

It is not a de Polignac number, because 65578297949383 - 2⁴¹ = 63379274693831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65578297949383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65578297949303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89546566 + ... + 90275932.

It is an arithmetic number, because the mean of its divisors is an integer number (4568170363920).

Almost surely, 2^{65578297949383} is an apocalyptic number.

65578297949383 is a deficient number, since it is larger than the sum of its proper divisors (7512427873337).

65578297949383 is a wasteful number, since it uses less digits than its factorization.

65578297949383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007766.

The product of its digits is 24690355200, while the sum is 85.

The spelling of 65578297949383 in words is "sixty-five trillion, five hundred seventy-eight billion, two hundred ninety-seven million, nine hundred forty-nine thousand, three hundred eighty-three".