354719964497 has 2 divisors, whose sum is σ = 354719964498. Its totient is φ = 354719964496.

The previous prime is 354719964451. The next prime is 354719964623. The reversal of 354719964497 is 794469917453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264104515921 + 90615448576 = 513911^2 + 301024^2 .

It is an emirp because it is prime and its reverse (794469917453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354719964497 - 2¹⁶ = 354719898961 is a prime.

It is not a weakly prime, because it can be changed into another prime (354719964397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177359982248 + 177359982249.

It is an arithmetic number, because the mean of its divisors is an integer number (177359982249).

Almost surely, 2^354719964497 is an apocalyptic number.

It is an amenable number.

354719964497 is a deficient number, since it is larger than the sum of its proper divisors (1).

354719964497 is an equidigital number, since it uses as much as digits as its factorization.

354719964497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 68.

The spelling of 354719964497 in words is "three hundred fifty-four billion, seven hundred nineteen million, nine hundred sixty-four thousand, four hundred ninety-seven".