354675505576489 has 2 divisors, whose sum is σ = 354675505576490. Its totient is φ = 354675505576488.

The previous prime is 354675505576429. The next prime is 354675505576507. The reversal of 354675505576489 is 984675505576453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313601314099264 + 41074191477225 = 17708792^2 + 6408915^2 .

It is a cyclic number.

It is not a de Polignac number, because 354675505576489 - 2⁴⁵ = 319491133487657 is a prime.

It is not a weakly prime, because it can be changed into another prime (354675505576429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177337752788244 + 177337752788245.

It is an arithmetic number, because the mean of its divisors is an integer number (177337752788245).

Almost surely, 2^{354675505576489} is an apocalyptic number.

It is an amenable number.

354675505576489 is a deficient number, since it is larger than the sum of its proper divisors (1).

354675505576489 is an equidigital number, since it uses as much as digits as its factorization.

354675505576489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200000, while the sum is 79.

The spelling of 354675505576489 in words is "three hundred fifty-four trillion, six hundred seventy-five billion, five hundred five million, five hundred seventy-six thousand, four hundred eighty-nine".