65757535447 has 2 divisors, whose sum is σ = 65757535448. Its totient is φ = 65757535446.

The previous prime is 65757535427. The next prime is 65757535573. The reversal of 65757535447 is 74453575756.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65757535447 - 2²³ = 65749146839 is a prime.

It is a super-2 number, since 2×65757535447² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65757535391 and 65757535400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65757535427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32878767723 + 32878767724.

It is an arithmetic number, because the mean of its divisors is an integer number (32878767724).

Almost surely, 2^65757535447 is an apocalyptic number.

65757535447 is a deficient number, since it is larger than the sum of its proper divisors (1).

65757535447 is an equidigital number, since it uses as much as digits as its factorization.

65757535447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740000, while the sum is 58.

The spelling of 65757535447 in words is "sixty-five billion, seven hundred fifty-seven million, five hundred thirty-five thousand, four hundred forty-seven".