65260821383 has 4 divisors (see below), whose sum is σ = 65466691800. Its totient is φ = 65054950968.

The previous prime is 65260821377. The next prime is 65260821401. The reversal of 65260821383 is 38312806256.

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

It is a cyclic number.

It is not a de Polignac number, because 65260821383 - 2²⁰ = 65259772807 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 (65260821343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102934733 + ... + 102935366.

It is an arithmetic number, because the mean of its divisors is an integer number (16366672950).

Almost surely, 2^65260821383 is an apocalyptic number.

65260821383 is a deficient number, since it is larger than the sum of its proper divisors (205870417).

65260821383 is a wasteful number, since it uses less digits than its factorization.

65260821383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205870416.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 65260821383 in words is "sixty-five billion, two hundred sixty million, eight hundred twenty-one thousand, three hundred eighty-three".