219470113 has 2 divisors, whose sum is σ = 219470114. Its totient is φ = 219470112.

The previous prime is 219470101. The next prime is 219470123. The reversal of 219470113 is 311074912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200703889 + 18766224 = 14167^2 + 4332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219470113 is a prime.

It is not a weakly prime, because it can be changed into another prime (219470123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109735056 + 109735057.

It is an arithmetic number, because the mean of its divisors is an integer number (109735057).

Almost surely, 2^219470113 is an apocalyptic number.

It is an amenable number.

219470113 is a deficient number, since it is larger than the sum of its proper divisors (1).

219470113 is an equidigital number, since it uses as much as digits as its factorization.

219470113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 219470113 is about 14814.5237182975. The cubic root of 219470113 is about 603.1960131978.

The spelling of 219470113 in words is "two hundred nineteen million, four hundred seventy thousand, one hundred thirteen".