354322140643 has 2 divisors, whose sum is σ = 354322140644. Its totient is φ = 354322140642.

The previous prime is 354322140631. The next prime is 354322140659. The reversal of 354322140643 is 346041223453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354322140643 - 2⁵ = 354322140611 is a prime.

It is not a weakly prime, because it can be changed into another prime (354322140743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177161070321 + 177161070322.

It is an arithmetic number, because the mean of its divisors is an integer number (177161070322).

Almost surely, 2^354322140643 is an apocalyptic number.

354322140643 is a deficient number, since it is larger than the sum of its proper divisors (1).

354322140643 is an equidigital number, since it uses as much as digits as its factorization.

354322140643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 354322140643 in words is "three hundred fifty-four billion, three hundred twenty-two million, one hundred forty thousand, six hundred forty-three".