343736472780577 has 2 divisors, whose sum is σ = 343736472780578. Its totient is φ = 343736472780576.

The previous prime is 343736472780557. The next prime is 343736472780601. The reversal of 343736472780577 is 775087274637343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253934391631761 + 89802081148816 = 15935319^2 + 9476396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343736472780577 is a prime.

It is not a weakly prime, because it can be changed into another prime (343736472780557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171868236390288 + 171868236390289.

It is an arithmetic number, because the mean of its divisors is an integer number (171868236390289).

Almost surely, 2^{343736472780577} is an apocalyptic number.

It is an amenable number.

343736472780577 is a deficient number, since it is larger than the sum of its proper divisors (1).

343736472780577 is an equidigital number, since it uses as much as digits as its factorization.

343736472780577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3485099520, while the sum is 73.

The spelling of 343736472780577 in words is "three hundred forty-three trillion, seven hundred thirty-six billion, four hundred seventy-two million, seven hundred eighty thousand, five hundred seventy-seven".