65554318013 has 2 divisors, whose sum is σ = 65554318014. Its totient is φ = 65554318012.

The previous prime is 65554318009. The next prime is 65554318079. The reversal of 65554318013 is 31081345556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62811386884 + 2742931129 = 250622^2 + 52373^2 .

It is a cyclic number.

It is not a de Polignac number, because 65554318013 - 2² = 65554318009 is a prime.

It is a super-2 number, since 2×65554318013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65554318213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777159006 + 32777159007.

It is an arithmetic number, because the mean of its divisors is an integer number (32777159007).

Almost surely, 2^65554318013 is an apocalyptic number.

It is an amenable number.

65554318013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554318013 is an equidigital number, since it uses as much as digits as its factorization.

65554318013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 65554318013 in words is "sixty-five billion, five hundred fifty-four million, three hundred eighteen thousand, thirteen".