354394004959 has 2 divisors, whose sum is σ = 354394004960. Its totient is φ = 354394004958.

The previous prime is 354394004957. The next prime is 354394005011. The reversal of 354394004959 is 959400493453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354394004959 - 2¹ = 354394004957 is a prime.

It is a super-2 number, since 2×354394004959² (a number of 24 digits) contains 22 as substring.

Together with 354394004957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354394004953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177197002479 + 177197002480.

It is an arithmetic number, because the mean of its divisors is an integer number (177197002480).

Almost surely, 2^354394004959 is an apocalyptic number.

354394004959 is a deficient number, since it is larger than the sum of its proper divisors (1).

354394004959 is an equidigital number, since it uses as much as digits as its factorization.

354394004959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 354394004959 in words is "three hundred fifty-four billion, three hundred ninety-four million, four thousand, nine hundred fifty-nine".