347035666541 has 2 divisors, whose sum is σ = 347035666542. Its totient is φ = 347035666540.

The previous prime is 347035666499. The next prime is 347035666561. The reversal of 347035666541 is 145666530743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288776189641 + 58259476900 = 537379^2 + 241370^2 .

It is a cyclic number.

It is not a de Polignac number, because 347035666541 - 2⁶ = 347035666477 is a prime.

It is a super-2 number, since 2×347035666541² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 347035666541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347035666561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173517833270 + 173517833271.

It is an arithmetic number, because the mean of its divisors is an integer number (173517833271).

Almost surely, 2^347035666541 is an apocalyptic number.

It is an amenable number.

347035666541 is a deficient number, since it is larger than the sum of its proper divisors (1).

347035666541 is an equidigital number, since it uses as much as digits as its factorization.

347035666541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 347035666541 in words is "three hundred forty-seven billion, thirty-five million, six hundred sixty-six thousand, five hundred forty-one".