354844385407 has 2 divisors, whose sum is σ = 354844385408. Its totient is φ = 354844385406.

The previous prime is 354844385249. The next prime is 354844385437. The reversal of 354844385407 is 704583448453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354844385407 - 2²³ = 354835996799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354844385437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177422192703 + 177422192704.

It is an arithmetic number, because the mean of its divisors is an integer number (177422192704).

Almost surely, 2^354844385407 is an apocalyptic number.

354844385407 is a deficient number, since it is larger than the sum of its proper divisors (1).

354844385407 is an equidigital number, since it uses as much as digits as its factorization.

354844385407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25804800, while the sum is 55.

The spelling of 354844385407 in words is "three hundred fifty-four billion, eight hundred forty-four million, three hundred eighty-five thousand, four hundred seven".