214380517649 has 4 divisors (see below), whose sum is σ = 216963415536. Its totient is φ = 211797619764.

The previous prime is 214380517627. The next prime is 214380517657. The reversal of 214380517649 is 946715083412.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214380517649 - 2²⁸ = 214112082193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214380517597 and 214380517606.

It is not an unprimeable number, because it can be changed into a prime (214380517669) 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, 1291448819 + ... + 1291448984.

It is an arithmetic number, because the mean of its divisors is an integer number (54240853884).

It is a 2-persistent number, because it is pandigital, and so is 2⋅214380517649 = 428761035298, but 3⋅214380517649 = 643141552947 is not.

Almost surely, 2^214380517649 is an apocalyptic number.

It is an amenable number.

214380517649 is a deficient number, since it is larger than the sum of its proper divisors (2582897887).

214380517649 is an equidigital number, since it uses as much as digits as its factorization.

214380517649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582897886.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 214380517649 in words is "two hundred fourteen billion, three hundred eighty million, five hundred seventeen thousand, six hundred forty-nine".