343777409201 has 2 divisors, whose sum is σ = 343777409202. Its totient is φ = 343777409200.

The previous prime is 343777409161. The next prime is 343777409221. The reversal of 343777409201 is 102904777343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308523591601 + 35253817600 = 555449^2 + 187760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343777409201 is a prime.

It is not a weakly prime, because it can be changed into another prime (343777409221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171888704600 + 171888704601.

It is an arithmetic number, because the mean of its divisors is an integer number (171888704601).

Almost surely, 2^343777409201 is an apocalyptic number.

It is an amenable number.

343777409201 is a deficient number, since it is larger than the sum of its proper divisors (1).

343777409201 is an equidigital number, since it uses as much as digits as its factorization.

343777409201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 343777409201 in words is "three hundred forty-three billion, seven hundred seventy-seven million, four hundred nine thousand, two hundred one".