351868686851 has 8 divisors (see below), whose sum is σ = 383869447104. Its totient is φ = 319870042920.

The previous prime is 351868686821. The next prime is 351868686881. The reversal of 351868686851 is 158686868153.

It is an interprime number because it is at equal distance from previous prime (351868686821) and next prime (351868686881).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351868686851 - 2¹⁸ = 351868424707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351868686821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170885 + ... + 856118.

It is an arithmetic number, because the mean of its divisors is an integer number (47983680888).

Almost surely, 2^351868686851 is an apocalyptic number.

351868686851 is a deficient number, since it is larger than the sum of its proper divisors (32000760253).

351868686851 is a wasteful number, since it uses less digits than its factorization.

351868686851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058161.

The product of its digits is 66355200, while the sum is 65.

The spelling of 351868686851 in words is "three hundred fifty-one billion, eight hundred sixty-eight million, six hundred eighty-six thousand, eight hundred fifty-one".