336255776561 has 2 divisors, whose sum is σ = 336255776562. Its totient is φ = 336255776560.

The previous prime is 336255776513. The next prime is 336255776627. The reversal of 336255776561 is 165677552633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334662250000 + 1593526561 = 578500^2 + 39919^2 .

It is a cyclic number.

It is not a de Polignac number, because 336255776561 - 2¹⁸ = 336255514417 is a prime.

It is a super-2 number, since 2×336255776561² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 336255776497 and 336255776506.

It is not a weakly prime, because it can be changed into another prime (336255736561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168127888280 + 168127888281.

It is an arithmetic number, because the mean of its divisors is an integer number (168127888281).

Almost surely, 2^336255776561 is an apocalyptic number.

It is an amenable number.

336255776561 is a deficient number, since it is larger than the sum of its proper divisors (1).

336255776561 is an equidigital number, since it uses as much as digits as its factorization.

336255776561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814000, while the sum is 56.

The spelling of 336255776561 in words is "three hundred thirty-six billion, two hundred fifty-five million, seven hundred seventy-six thousand, five hundred sixty-one".