7217021616241 has 8 divisors (see below), whose sum is σ = 7454852297984. Its totient is φ = 6979504905360.

The previous prime is 7217021616239. The next prime is 7217021616251. The reversal of 7217021616241 is 1426161207127.

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 7217021616241 - 2¹ = 7217021616239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7217021616194 and 7217021616203.

It is not an unprimeable number, because it can be changed into a prime (7217021616251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78445986 + ... + 78537931.

It is an arithmetic number, because the mean of its divisors is an integer number (931856537248).

Almost surely, 2^{7217021616241} is an apocalyptic number.

It is an amenable number.

7217021616241 is a deficient number, since it is larger than the sum of its proper divisors (237830681743).

7217021616241 is a wasteful number, since it uses less digits than its factorization.

7217021616241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156985431.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 7217021616241 in words is "seven trillion, two hundred seventeen billion, twenty-one million, six hundred sixteen thousand, two hundred forty-one".