354041013421 has 2 divisors, whose sum is σ = 354041013422. Its totient is φ = 354041013420.

The previous prime is 354041013407. The next prime is 354041013433. The reversal of 354041013421 is 124310140453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345345450921 + 8695562500 = 587661^2 + 93250^2 .

It is a cyclic number.

It is not a de Polignac number, because 354041013421 - 2⁹ = 354041012909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 354041013421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355041013421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177020506710 + 177020506711.

It is an arithmetic number, because the mean of its divisors is an integer number (177020506711).

Almost surely, 2^354041013421 is an apocalyptic number.

It is an amenable number.

354041013421 is a deficient number, since it is larger than the sum of its proper divisors (1).

354041013421 is an equidigital number, since it uses as much as digits as its factorization.

354041013421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 354041013421 its reverse (124310140453), we get a palindrome (478351153874).

The spelling of 354041013421 in words is "three hundred fifty-four billion, forty-one million, thirteen thousand, four hundred twenty-one".