345636344057 has 2 divisors, whose sum is σ = 345636344058. Its totient is φ = 345636344056.

The previous prime is 345636344029. The next prime is 345636344071. The reversal of 345636344057 is 750443636543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289724904121 + 55911439936 = 538261^2 + 236456^2 .

It is an emirp because it is prime and its reverse (750443636543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345636344057 - 2¹⁶ = 345636278521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345636343996 and 345636344014.

It is not a weakly prime, because it can be changed into another prime (345636344077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172818172028 + 172818172029.

It is an arithmetic number, because the mean of its divisors is an integer number (172818172029).

Almost surely, 2^345636344057 is an apocalyptic number.

It is an amenable number.

345636344057 is a deficient number, since it is larger than the sum of its proper divisors (1).

345636344057 is an equidigital number, since it uses as much as digits as its factorization.

345636344057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 50.

The spelling of 345636344057 in words is "three hundred forty-five billion, six hundred thirty-six million, three hundred forty-four thousand, fifty-seven".