308274079669121 has 2 divisors, whose sum is σ = 308274079669122. Its totient is φ = 308274079669120.

The previous prime is 308274079669097. The next prime is 308274079669147. The reversal of 308274079669121 is 121966970472803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307881802926721 + 392276742400 = 17546561^2 + 626320^2 .

It is an emirp because it is prime and its reverse (121966970472803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 308274079669121 - 2⁶ = 308274079669057 is a prime.

It is a super-2 number, since 2×308274079669121² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (308274079669021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154137039834560 + 154137039834561.

It is an arithmetic number, because the mean of its divisors is an integer number (154137039834561).

Almost surely, 2^{308274079669121} is an apocalyptic number.

It is an amenable number.

308274079669121 is a deficient number, since it is larger than the sum of its proper divisors (1).

308274079669121 is an equidigital number, since it uses as much as digits as its factorization.

308274079669121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 308274079669121 in words is "three hundred eight trillion, two hundred seventy-four billion, seventy-nine million, six hundred sixty-nine thousand, one hundred twenty-one".