354394004047 has 2 divisors, whose sum is σ = 354394004048. Its totient is φ = 354394004046.

The previous prime is 354394004017. The next prime is 354394004093. The reversal of 354394004047 is 740400493453.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354394004047 is a prime.

It is a super-2 number, since 2×354394004047² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354394003994 and 354394004012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354394004017) 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, 177197002023 + 177197002024.

It is an arithmetic number, because the mean of its divisors is an integer number (177197002024).

Almost surely, 2^354394004047 is an apocalyptic number.

354394004047 is a deficient number, since it is larger than the sum of its proper divisors (1).

354394004047 is an equidigital number, since it uses as much as digits as its factorization.

354394004047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 354394004047 in words is "three hundred fifty-four billion, three hundred ninety-four million, four thousand, forty-seven".