214641617650 has 24 divisors (see below), whose sum is σ = 412111908864. Its totient is φ = 83087077200.

The previous prime is 214641617647. The next prime is 214641617651. The reversal of 214641617650 is 56716146412.

It is a junction number, because it is equal to n+sod(n) for n = 214641617597 and 214641617606.

It is not an unprimeable number, because it can be changed into a prime (214641617651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69237682 + ... + 69240781.

It is an arithmetic number, because the mean of its divisors is an integer number (17171329536).

Almost surely, 2^214641617650 is an apocalyptic number.

214641617650 is a deficient number, since it is larger than the sum of its proper divisors (197470291214).

214641617650 is a wasteful number, since it uses less digits than its factorization.

214641617650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138478506 (or 138478501 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 214641617650 in words is "two hundred fourteen billion, six hundred forty-one million, six hundred seventeen thousand, six hundred fifty".