354002031209 has 2 divisors, whose sum is σ = 354002031210. Its totient is φ = 354002031208.

The previous prime is 354002031199. The next prime is 354002031221. The reversal of 354002031209 is 902130200453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300457459600 + 53544571609 = 548140^2 + 231397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354002031209 is a prime.

It is not a weakly prime, because it can be changed into another prime (354002031239) 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, 177001015604 + 177001015605.

It is an arithmetic number, because the mean of its divisors is an integer number (177001015605).

Almost surely, 2^354002031209 is an apocalyptic number.

It is an amenable number.

354002031209 is a deficient number, since it is larger than the sum of its proper divisors (1).

354002031209 is an equidigital number, since it uses as much as digits as its factorization.

354002031209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 354002031209 in words is "three hundred fifty-four billion, two million, thirty-one thousand, two hundred nine".