354429421813 has 2 divisors, whose sum is σ = 354429421814. Its totient is φ = 354429421812.

The previous prime is 354429421733. The next prime is 354429421859. The reversal of 354429421813 is 318124924453.

It is an a-pointer prime, because the next prime (354429421859) can be obtained adding 354429421813 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281300822884 + 73128598929 = 530378^2 + 270423^2 .

It is a cyclic number.

It is not a de Polignac number, because 354429421813 - 2⁹ = 354429421301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354429421873) 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, 177214710906 + 177214710907.

It is an arithmetic number, because the mean of its divisors is an integer number (177214710907).

Almost surely, 2^354429421813 is an apocalyptic number.

It is an amenable number.

354429421813 is a deficient number, since it is larger than the sum of its proper divisors (1).

354429421813 is an equidigital number, since it uses as much as digits as its factorization.

354429421813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 46.

The spelling of 354429421813 in words is "three hundred fifty-four billion, four hundred twenty-nine million, four hundred twenty-one thousand, eight hundred thirteen".