354163881683 has 2 divisors, whose sum is σ = 354163881684. Its totient is φ = 354163881682.

The previous prime is 354163881641. The next prime is 354163881691. The reversal of 354163881683 is 386188361453.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354163881683 is a prime.

It is not a weakly prime, because it can be changed into another prime (354163881613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177081940841 + 177081940842.

It is an arithmetic number, because the mean of its divisors is an integer number (177081940842).

Almost surely, 2^354163881683 is an apocalyptic number.

354163881683 is a deficient number, since it is larger than the sum of its proper divisors (1).

354163881683 is an equidigital number, since it uses as much as digits as its factorization.

354163881683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9953280, while the sum is 56.

The spelling of 354163881683 in words is "three hundred fifty-four billion, one hundred sixty-three million, eight hundred eighty-one thousand, six hundred eighty-three".