2118068351 has 4 divisors (see below), whose sum is σ = 2420649552. Its totient is φ = 1815487152.

The previous prime is 2118068347. The next prime is 2118068357. The reversal of 2118068351 is 1538608112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2118068351 - 2² = 2118068347 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 (2118068357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151290590 + ... + 151290603.

It is an arithmetic number, because the mean of its divisors is an integer number (605162388).

Almost surely, 2^2118068351 is an apocalyptic number.

2118068351 is a deficient number, since it is larger than the sum of its proper divisors (302581201).

2118068351 is an equidigital number, since it uses as much as digits as its factorization.

2118068351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302581200.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 2118068351 is about 46022.4765848167. The cubic root of 2118068351 is about 1284.2413728850.

The spelling of 2118068351 in words is "two billion, one hundred eighteen million, sixty-eight thousand, three hundred fifty-one".