351668603287 has 4 divisors (see below), whose sum is σ = 360245886336. Its totient is φ = 343091320240.

The previous prime is 351668603281. The next prime is 351668603291. The reversal of 351668603287 is 782306866153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782306866153 = 19 ⋅41174045587.

It is a cyclic number.

It is not a de Polignac number, because 351668603287 - 2²³ = 351660214679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351668603281) 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 in 3 ways as a sum of consecutive naturals, for example, 4288641463 + ... + 4288641544.

It is an arithmetic number, because the mean of its divisors is an integer number (90061471584).

Almost surely, 2^351668603287 is an apocalyptic number.

351668603287 is a deficient number, since it is larger than the sum of its proper divisors (8577283049).

351668603287 is an equidigital number, since it uses as much as digits as its factorization.

351668603287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577283048.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 351668603287 in words is "three hundred fifty-one billion, six hundred sixty-eight million, six hundred three thousand, two hundred eighty-seven".