65253610427819 has 8 divisors (see below), whose sum is σ = 73640438100720. Its totient is φ = 57275896300000.

The previous prime is 65253610427783. The next prime is 65253610427843. The reversal of 65253610427819 is 91872401635256.

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

It is a cyclic number.

It is not a de Polignac number, because 65253610427819 - 2²⁰ = 65253609379243 is a prime.

It is a super-2 number, since 2×65253610427819² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65253610447819) 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, 102278385932 + ... + 102278386569.

It is an arithmetic number, because the mean of its divisors is an integer number (9205054762590).

It is a 1-persistent number, because it is pandigital, but 2⋅65253610427819 = 130507220855638 is not.

Almost surely, 2^{65253610427819} is an apocalyptic number.

65253610427819 is a deficient number, since it is larger than the sum of its proper divisors (8386827672901).

65253610427819 is a wasteful number, since it uses less digits than its factorization.

65253610427819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204556772541.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 65253610427819 in words is "sixty-five trillion, two hundred fifty-three billion, six hundred ten million, four hundred twenty-seven thousand, eight hundred nineteen".