345303262303477 has 2 divisors, whose sum is σ = 345303262303478. Its totient is φ = 345303262303476.

The previous prime is 345303262303421. The next prime is 345303262303553. The reversal of 345303262303477 is 774303262303543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260761747238161 + 84541515065316 = 16148119^2 + 9194646^2 .

It is a cyclic number.

It is not a de Polignac number, because 345303262303477 - 2¹⁵ = 345303262270709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345303262303577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172651631151738 + 172651631151739.

It is an arithmetic number, because the mean of its divisors is an integer number (172651631151739).

Almost surely, 2^{345303262303477} is an apocalyptic number.

It is an amenable number.

345303262303477 is a deficient number, since it is larger than the sum of its proper divisors (1).

345303262303477 is an equidigital number, since it uses as much as digits as its factorization.

345303262303477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 52.

The spelling of 345303262303477 in words is "three hundred forty-five trillion, three hundred three billion, two hundred sixty-two million, three hundred three thousand, four hundred seventy-seven".