2235438306697 has 2 divisors, whose sum is σ = 2235438306698. Its totient is φ = 2235438306696.

The previous prime is 2235438306679. The next prime is 2235438306713. The reversal of 2235438306697 is 7966038345322.

Together with previous prime (2235438306679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2218240869376 + 17197437321 = 1489376^2 + 131139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235438306697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2235438306617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117719153348 + 1117719153349.

It is an arithmetic number, because the mean of its divisors is an integer number (1117719153349).

Almost surely, 2^{2235438306697} is an apocalyptic number.

It is an amenable number.

2235438306697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235438306697 is an equidigital number, since it uses as much as digits as its factorization.

2235438306697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 2235438306697 in words is "two trillion, two hundred thirty-five billion, four hundred thirty-eight million, three hundred six thousand, six hundred ninety-seven".