354341441989 has 2 divisors, whose sum is σ = 354341441990. Its totient is φ = 354341441988.

The previous prime is 354341441957. The next prime is 354341442023. The reversal of 354341441989 is 989144143453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297742652964 + 56598789025 = 545658^2 + 237905^2 .

It is a cyclic number.

It is not a de Polignac number, because 354341441989 - 2⁵ = 354341441957 is a prime.

It is a super-2 number, since 2×354341441989² (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 (354341421989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177170720994 + 177170720995.

It is an arithmetic number, because the mean of its divisors is an integer number (177170720995).

Almost surely, 2^354341441989 is an apocalyptic number.

It is an amenable number.

354341441989 is a deficient number, since it is larger than the sum of its proper divisors (1).

354341441989 is an equidigital number, since it uses as much as digits as its factorization.

354341441989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 55.

The spelling of 354341441989 in words is "three hundred fifty-four billion, three hundred forty-one million, four hundred forty-one thousand, nine hundred eighty-nine".