214084297657 has 4 divisors (see below), whose sum is σ = 214093992420. Its totient is φ = 214074602896.

The previous prime is 214084297633. The next prime is 214084297667. The reversal of 214084297657 is 756792480412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 180400669696 + 33683627961 = 424736^2 + 183531^2 .

It is a cyclic number.

It is not a de Polignac number, because 214084297657 - 2⁷ = 214084297529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214084297598 and 214084297607.

It is not an unprimeable number, because it can be changed into a prime (214084297607) 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, 4814182 + ... + 4858447.

It is an arithmetic number, because the mean of its divisors is an integer number (53523498105).

Almost surely, 2^214084297657 is an apocalyptic number.

It is an amenable number.

214084297657 is a deficient number, since it is larger than the sum of its proper divisors (9694763).

214084297657 is an equidigital number, since it uses as much as digits as its factorization.

214084297657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694762.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 214084297657 in words is "two hundred fourteen billion, eighty-four million, two hundred ninety-seven thousand, six hundred fifty-seven".