7216938347 has 4 divisors (see below), whose sum is σ = 7465798320. Its totient is φ = 6968078376.

The previous prime is 7216938341. The next prime is 7216938361. The reversal of 7216938347 is 7438396127.

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 7216938347 - 2⁴ = 7216938331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7216938295 and 7216938304.

It is not an unprimeable number, because it can be changed into a prime (7216938341) 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, 124429943 + ... + 124430000.

It is an arithmetic number, because the mean of its divisors is an integer number (1866449580).

Almost surely, 2^7216938347 is an apocalyptic number.

7216938347 is a deficient number, since it is larger than the sum of its proper divisors (248859973).

7216938347 is a wasteful number, since it uses less digits than its factorization.

7216938347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248859972.

The product of its digits is 1524096, while the sum is 50.

The square root of 7216938347 is about 84952.5652761587. The cubic root of 7216938347 is about 1932.4918235254.

The spelling of 7216938347 in words is "seven billion, two hundred sixteen million, nine hundred thirty-eight thousand, three hundred forty-seven".