354424424449 has 2 divisors, whose sum is σ = 354424424450. Its totient is φ = 354424424448.

The previous prime is 354424424441. The next prime is 354424424507. The reversal of 354424424449 is 944424424453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353630030224 + 794394225 = 594668^2 + 28185^2 .

It is a cyclic number.

It is not a de Polignac number, because 354424424449 - 2³ = 354424424441 is a prime.

It is not a weakly prime, because it can be changed into another prime (354424424441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177212212224 + 177212212225.

It is an arithmetic number, because the mean of its divisors is an integer number (177212212225).

Almost surely, 2^354424424449 is an apocalyptic number.

It is an amenable number.

354424424449 is a deficient number, since it is larger than the sum of its proper divisors (1).

354424424449 is an equidigital number, since it uses as much as digits as its factorization.

354424424449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8847360, while the sum is 49.

The spelling of 354424424449 in words is "three hundred fifty-four billion, four hundred twenty-four million, four hundred twenty-four thousand, four hundred forty-nine".