354353989387 has 2 divisors, whose sum is σ = 354353989388. Its totient is φ = 354353989386.

The previous prime is 354353989357. The next prime is 354353989403. The reversal of 354353989387 is 783989353453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354353989387 - 2¹⁹ = 354353465099 is a prime.

It is not a weakly prime, because it can be changed into another prime (354353989337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177176994693 + 177176994694.

It is an arithmetic number, because the mean of its divisors is an integer number (177176994694).

Almost surely, 2^354353989387 is an apocalyptic number.

354353989387 is a deficient number, since it is larger than the sum of its proper divisors (1).

354353989387 is an equidigital number, since it uses as much as digits as its factorization.

354353989387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 293932800, while the sum is 67.

The spelling of 354353989387 in words is "three hundred fifty-four billion, three hundred fifty-three million, nine hundred eighty-nine thousand, three hundred eighty-seven".