354393504769 has 2 divisors, whose sum is σ = 354393504770. Its totient is φ = 354393504768.

The previous prime is 354393504763. The next prime is 354393504791. The reversal of 354393504769 is 967405393453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263720250369 + 90673254400 = 513537^2 + 301120^2 .

It is a cyclic number.

It is not a de Polignac number, because 354393504769 - 2³ = 354393504761 is a prime.

It is a super-2 number, since 2×354393504769² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354393504761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177196752384 + 177196752385.

It is an arithmetic number, because the mean of its divisors is an integer number (177196752385).

Almost surely, 2^354393504769 is an apocalyptic number.

It is an amenable number.

354393504769 is a deficient number, since it is larger than the sum of its proper divisors (1).

354393504769 is an equidigital number, since it uses as much as digits as its factorization.

354393504769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 58.

The spelling of 354393504769 in words is "three hundred fifty-four billion, three hundred ninety-three million, five hundred four thousand, seven hundred sixty-nine".