354444444493 has 2 divisors, whose sum is σ = 354444444494. Its totient is φ = 354444444492.

The previous prime is 354444444481. The next prime is 354444444521. The reversal of 354444444493 is 394444444453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212555115369 + 141889329124 = 461037^2 + 376682^2 .

It is an emirp because it is prime and its reverse (394444444453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354444444493 - 2⁵ = 354444444461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354444444493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354444442493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177222222246 + 177222222247.

It is an arithmetic number, because the mean of its divisors is an integer number (177222222247).

Almost surely, 2^354444444493 is an apocalyptic number.

It is an amenable number.

354444444493 is a deficient number, since it is larger than the sum of its proper divisors (1).

354444444493 is an equidigital number, since it uses as much as digits as its factorization.

354444444493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26542080, while the sum is 52.

The spelling of 354444444493 in words is "three hundred fifty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred ninety-three".