354394003987 has 2 divisors, whose sum is σ = 354394003988. Its totient is φ = 354394003986.

The previous prime is 354394003973. The next prime is 354394004017. The reversal of 354394003987 is 789300493453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354394003987 - 2²⁷ = 354259786259 is a prime.

It is a super-2 number, since 2×354394003987² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354394003967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177197001993 + 177197001994.

It is an arithmetic number, because the mean of its divisors is an integer number (177197001994).

Almost surely, 2^354394003987 is an apocalyptic number.

354394003987 is a deficient number, since it is larger than the sum of its proper divisors (1).

354394003987 is an equidigital number, since it uses as much as digits as its factorization.

354394003987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 354394003987 in words is "three hundred fifty-four billion, three hundred ninety-four million, three thousand, nine hundred eighty-seven".