65536232513 has 2 divisors, whose sum is σ = 65536232514. Its totient is φ = 65536232512.

The previous prime is 65536232479. The next prime is 65536232519. The reversal of 65536232513 is 31523263556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52545475984 + 12990756529 = 229228^2 + 113977^2 .

It is a cyclic number.

It is not a de Polignac number, because 65536232513 - 2²⁴ = 65519455297 is a prime.

It is a super-3 number, since 3×65536232513³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (65536232519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32768116256 + 32768116257.

It is an arithmetic number, because the mean of its divisors is an integer number (32768116257).

Almost surely, 2^65536232513 is an apocalyptic number.

It is an amenable number.

65536232513 is a deficient number, since it is larger than the sum of its proper divisors (1).

65536232513 is an equidigital number, since it uses as much as digits as its factorization.

65536232513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 41.

The spelling of 65536232513 in words is "sixty-five billion, five hundred thirty-six million, two hundred thirty-two thousand, five hundred thirteen".