7218969094 has 8 divisors (see below), whose sum is σ = 10834946640. Its totient is φ = 3607320216.

The previous prime is 7218969077. The next prime is 7218969103. The reversal of 7218969094 is 4909698127.

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

It is a super-2 number, since 2×7218969094² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077994 + ... + 1084669.

It is an arithmetic number, because the mean of its divisors is an integer number (1354368330).

Almost surely, 2^7218969094 is an apocalyptic number.

7218969094 is a deficient number, since it is larger than the sum of its proper divisors (3615977546).

7218969094 is a wasteful number, since it uses less digits than its factorization.

7218969094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164334.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 7218969094 is about 84964.5166760807. The cubic root of 7218969094 is about 1932.6730653832.

The spelling of 7218969094 in words is "seven billion, two hundred eighteen million, nine hundred sixty-nine thousand, ninety-four".