354227405813 has 2 divisors, whose sum is σ = 354227405814. Its totient is φ = 354227405812.

The previous prime is 354227405809. The next prime is 354227405837. The reversal of 354227405813 is 318504722453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348645373444 + 5582032369 = 590462^2 + 74713^2 .

It is a cyclic number.

It is not a de Polignac number, because 354227405813 - 2² = 354227405809 is a prime.

It is a super-3 number, since 3×354227405813³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354227405113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177113702906 + 177113702907.

It is an arithmetic number, because the mean of its divisors is an integer number (177113702907).

Almost surely, 2^354227405813 is an apocalyptic number.

It is an amenable number.

354227405813 is a deficient number, since it is larger than the sum of its proper divisors (1).

354227405813 is an equidigital number, since it uses as much as digits as its factorization.

354227405813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 354227405813 in words is "three hundred fifty-four billion, two hundred twenty-seven million, four hundred five thousand, eight hundred thirteen".