354320120369 has 2 divisors, whose sum is σ = 354320120370. Its totient is φ = 354320120368.

The previous prime is 354320120339. The next prime is 354320120377. The reversal of 354320120369 is 963021023453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301357081600 + 52963038769 = 548960^2 + 230137^2 .

It is an emirp because it is prime and its reverse (963021023453) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354320120369 is a prime.

It is a super-2 number, since 2×354320120369² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (354320120309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177160060184 + 177160060185.

It is an arithmetic number, because the mean of its divisors is an integer number (177160060185).

Almost surely, 2^354320120369 is an apocalyptic number.

It is an amenable number.

354320120369 is a deficient number, since it is larger than the sum of its proper divisors (1).

354320120369 is an equidigital number, since it uses as much as digits as its factorization.

354320120369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 354320120369 in words is "three hundred fifty-four billion, three hundred twenty million, one hundred twenty thousand, three hundred sixty-nine".