65020568401 has 4 divisors (see below), whose sum is σ = 68442703600. Its totient is φ = 61598433204.

The previous prime is 65020568399. The next prime is 65020568467. The reversal of 65020568401 is 10486502056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65020568401 - 2¹ = 65020568399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65020568201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1711067571 + ... + 1711067608.

It is an arithmetic number, because the mean of its divisors is an integer number (17110675900).

Almost surely, 2^65020568401 is an apocalyptic number.

It is an amenable number.

65020568401 is a deficient number, since it is larger than the sum of its proper divisors (3422135199).

65020568401 is a wasteful number, since it uses less digits than its factorization.

65020568401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422135198.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 65020568401 in words is "sixty-five billion, twenty million, five hundred sixty-eight thousand, four hundred one".