354430016641 has 2 divisors, whose sum is σ = 354430016642. Its totient is φ = 354430016640.

The previous prime is 354430016623. The next prime is 354430016671. The reversal of 354430016641 is 146610034453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341318850625 + 13111166016 = 584225^2 + 114504^2 .

It is an emirp because it is prime and its reverse (146610034453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354430016641 - 2⁷ = 354430016513 is a prime.

It is a super-2 number, since 2×354430016641² (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 354430016641.

It is not a weakly prime, because it can be changed into another prime (354430016671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177215008320 + 177215008321.

It is an arithmetic number, because the mean of its divisors is an integer number (177215008321).

Almost surely, 2^354430016641 is an apocalyptic number.

It is an amenable number.

354430016641 is a deficient number, since it is larger than the sum of its proper divisors (1).

354430016641 is an equidigital number, since it uses as much as digits as its factorization.

354430016641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 354430016641 in words is "three hundred fifty-four billion, four hundred thirty million, sixteen thousand, six hundred forty-one".