354498330181 has 2 divisors, whose sum is σ = 354498330182. Its totient is φ = 354498330180.

The previous prime is 354498330163. The next prime is 354498330227. The reversal of 354498330181 is 181033894453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314907279556 + 39591050625 = 561166^2 + 198975^2 .

It is a cyclic number.

It is not a de Polignac number, because 354498330181 - 2⁵ = 354498330149 is a prime.

It is a super-2 number, since 2×354498330181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354498330101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177249165090 + 177249165091.

It is an arithmetic number, because the mean of its divisors is an integer number (177249165091).

Almost surely, 2^354498330181 is an apocalyptic number.

It is an amenable number.

354498330181 is a deficient number, since it is larger than the sum of its proper divisors (1).

354498330181 is an equidigital number, since it uses as much as digits as its factorization.

354498330181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 354498330181 in words is "three hundred fifty-four billion, four hundred ninety-eight million, three hundred thirty thousand, one hundred eighty-one".