345526067857 has 2 divisors, whose sum is σ = 345526067858. Its totient is φ = 345526067856.

The previous prime is 345526067849. The next prime is 345526067881. The reversal of 345526067857 is 758760625543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260376493441 + 85149574416 = 510271^2 + 291804^2 .

It is a cyclic number.

It is not a de Polignac number, because 345526067857 - 2³ = 345526067849 is a prime.

It is not a weakly prime, because it can be changed into another prime (345526067837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172763033928 + 172763033929.

It is an arithmetic number, because the mean of its divisors is an integer number (172763033929).

Almost surely, 2^345526067857 is an apocalyptic number.

It is an amenable number.

345526067857 is a deficient number, since it is larger than the sum of its proper divisors (1).

345526067857 is an equidigital number, since it uses as much as digits as its factorization.

345526067857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 345526067857 in words is "three hundred forty-five billion, five hundred twenty-six million, sixty-seven thousand, eight hundred fifty-seven".