65816072463 has 4 divisors (see below), whose sum is σ = 87754763288. Its totient is φ = 43877381640.

The previous prime is 65816072461. The next prime is 65816072471. The reversal of 65816072463 is 36427061856.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65816072463 - 2¹ = 65816072461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65816072461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10969345408 + ... + 10969345413.

It is an arithmetic number, because the mean of its divisors is an integer number (21938690822).

Almost surely, 2^65816072463 is an apocalyptic number.

65816072463 is a deficient number, since it is larger than the sum of its proper divisors (21938690825).

65816072463 is a wasteful number, since it uses less digits than its factorization.

65816072463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938690824.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 65816072463 in words is "sixty-five billion, eight hundred sixteen million, seventy-two thousand, four hundred sixty-three".