308975249053 has 2 divisors, whose sum is σ = 308975249054. Its totient is φ = 308975249052.

The previous prime is 308975249039. The next prime is 308975249071. The reversal of 308975249053 is 350942579803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288177859684 + 20797389369 = 536822^2 + 144213^2 .

It is a cyclic number.

It is not a de Polignac number, because 308975249053 - 2⁵ = 308975249021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308975248985 and 308975249003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308975249083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154487624526 + 154487624527.

It is an arithmetic number, because the mean of its divisors is an integer number (154487624527).

Almost surely, 2^308975249053 is an apocalyptic number.

It is an amenable number.

308975249053 is a deficient number, since it is larger than the sum of its proper divisors (1).

308975249053 is an equidigital number, since it uses as much as digits as its factorization.

308975249053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 308975249053 in words is "three hundred eight billion, nine hundred seventy-five million, two hundred forty-nine thousand, fifty-three".