306152212454449 has 2 divisors, whose sum is σ = 306152212454450. Its totient is φ = 306152212454448.

The previous prime is 306152212454423. The next prime is 306152212454479. The reversal of 306152212454449 is 944454212251603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225364347379600 + 80787865074849 = 15012140^2 + 8988207^2 .

It is a cyclic number.

It is not a de Polignac number, because 306152212454449 - 2²¹ = 306152210357297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 306152212454396 and 306152212454405.

It is not a weakly prime, because it can be changed into another prime (306152212454479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153076106227224 + 153076106227225.

It is an arithmetic number, because the mean of its divisors is an integer number (153076106227225).

Almost surely, 2^{306152212454449} is an apocalyptic number.

It is an amenable number.

306152212454449 is a deficient number, since it is larger than the sum of its proper divisors (1).

306152212454449 is an equidigital number, since it uses as much as digits as its factorization.

306152212454449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 306152212454449 in words is "three hundred six trillion, one hundred fifty-two billion, two hundred twelve million, four hundred fifty-four thousand, four hundred forty-nine".