7216217413 has 8 divisors (see below), whose sum is σ = 7258014720. Its totient is φ = 7174462320.

The previous prime is 7216217381. The next prime is 7216217429. The reversal of 7216217413 is 3147126127.

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 7216217413 - 2⁵ = 7216217381 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 (7216217713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371968 + ... + 390886.

It is an arithmetic number, because the mean of its divisors is an integer number (907251840).

Almost surely, 2^7216217413 is an apocalyptic number.

It is an amenable number.

7216217413 is a deficient number, since it is larger than the sum of its proper divisors (41797307).

7216217413 is a wasteful number, since it uses less digits than its factorization.

7216217413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21107.

The product of its digits is 14112, while the sum is 34.

The square root of 7216217413 is about 84948.3220140339. The cubic root of 7216217413 is about 1932.4274728092.

The spelling of 7216217413 in words is "seven billion, two hundred sixteen million, two hundred seventeen thousand, four hundred thirteen".