7218114013 has 8 divisors (see below), whose sum is σ = 7882045920. Its totient is φ = 6555472080.

The previous prime is 7218113951. The next prime is 7218114047. The reversal of 7218114013 is 3104118127.

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 7218114013 - 2²¹ = 7216016861 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 (7218114073) 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, 310770 + ... + 333187.

It is an arithmetic number, because the mean of its divisors is an integer number (985255740).

Almost surely, 2^7218114013 is an apocalyptic number.

It is an amenable number.

7218114013 is a deficient number, since it is larger than the sum of its proper divisors (663931907).

7218114013 is a wasteful number, since it uses less digits than its factorization.

7218114013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644987.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 7218114013 is about 84959.4845382197. The cubic root of 7218114013 is about 1932.5967545208.

The spelling of 7218114013 in words is "seven billion, two hundred eighteen million, one hundred fourteen thousand, thirteen".