213470669 has 2 divisors, whose sum is σ = 213470670. Its totient is φ = 213470668.

The previous prime is 213470651. The next prime is 213470687. The reversal of 213470669 is 966074312.

It is a balanced prime because it is at equal distance from previous prime (213470651) and next prime (213470687).

It can be written as a sum of positive squares in only one way, i.e., 207648100 + 5822569 = 14410^2 + 2413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213470669 is a prime.

It is a super-2 number, since 2×213470669² = 91139453046615122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213470629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106735334 + 106735335.

It is an arithmetic number, because the mean of its divisors is an integer number (106735335).

Almost surely, 2^213470669 is an apocalyptic number.

It is an amenable number.

213470669 is a deficient number, since it is larger than the sum of its proper divisors (1).

213470669 is an equidigital number, since it uses as much as digits as its factorization.

213470669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 213470669 is about 14610.6354755705. The cubic root of 213470669 is about 597.6488255173.

The spelling of 213470669 in words is "two hundred thirteen million, four hundred seventy thousand, six hundred sixty-nine".