65285129401 has 4 divisors (see below), whose sum is σ = 68123613312. Its totient is φ = 62446645492.

The previous prime is 65285129333. The next prime is 65285129449. The reversal of 65285129401 is 10492158256.

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 a de Polignac number, because none of the positive numbers 2^k-65285129401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65285120401) 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, 1419241921 + ... + 1419241966.

It is an arithmetic number, because the mean of its divisors is an integer number (17030903328).

Almost surely, 2^65285129401 is an apocalyptic number.

It is an amenable number.

65285129401 is a deficient number, since it is larger than the sum of its proper divisors (2838483911).

65285129401 is a wasteful number, since it uses less digits than its factorization.

65285129401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838483910.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 65285129401 in words is "sixty-five billion, two hundred eighty-five million, one hundred twenty-nine thousand, four hundred one".