65355860461 has 4 divisors (see below), whose sum is σ = 65356904512. Its totient is φ = 65354816412.

The previous prime is 65355860399. The next prime is 65355860483. The reversal of 65355860461 is 16406855356.

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 not a de Polignac number, because 65355860461 - 2¹⁹ = 65355336173 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 (65355860561) 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, 421701 + ... + 555466.

It is an arithmetic number, because the mean of its divisors is an integer number (16339226128).

Almost surely, 2^65355860461 is an apocalyptic number.

It is an amenable number.

65355860461 is a deficient number, since it is larger than the sum of its proper divisors (1044051).

65355860461 is an equidigital number, since it uses as much as digits as its factorization.

65355860461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044050.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 65355860461 in words is "sixty-five billion, three hundred fifty-five million, eight hundred sixty thousand, four hundred sixty-one".