354113440469 has 2 divisors, whose sum is σ = 354113440470. Its totient is φ = 354113440468.

The previous prime is 354113440463. The next prime is 354113440517. The reversal of 354113440469 is 964044311453.

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., 270556022500 + 83557417969 = 520150^2 + 289063^2 .

It is a cyclic number.

It is not a de Polignac number, because 354113440469 - 2¹² = 354113436373 is a prime.

It is a super-2 number, since 2×354113440469² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354113440463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177056720234 + 177056720235.

It is an arithmetic number, because the mean of its divisors is an integer number (177056720235).

Almost surely, 2^354113440469 is an apocalyptic number.

It is an amenable number.

354113440469 is a deficient number, since it is larger than the sum of its proper divisors (1).

354113440469 is an equidigital number, since it uses as much as digits as its factorization.

354113440469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 354113440469 in words is "three hundred fifty-four billion, one hundred thirteen million, four hundred forty thousand, four hundred sixty-nine".