65422378605 has 16 divisors (see below), whose sum is σ = 104686807104. Its totient is φ = 34888268160.

The previous prime is 65422378603. The next prime is 65422378627. The reversal of 65422378605 is 50687322456.

It is not a de Polignac number, because 65422378605 - 2¹ = 65422378603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422378601) 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, 78519 + ... + 370148.

It is an arithmetic number, because the mean of its divisors is an integer number (6542925444).

Almost surely, 2^65422378605 is an apocalyptic number.

It is an amenable number.

65422378605 is a deficient number, since it is larger than the sum of its proper divisors (39264428499).

65422378605 is a wasteful number, since it uses less digits than its factorization.

65422378605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458396.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 65422378605 in words is "sixty-five billion, four hundred twenty-two million, three hundred seventy-eight thousand, six hundred five".