214770769 has 2 divisors, whose sum is σ = 214770770. Its totient is φ = 214770768.

The previous prime is 214770763. The next prime is 214770791. The reversal of 214770769 is 967077412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207014544 + 7756225 = 14388^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 214770769 - 2⁷ = 214770641 is a prime.

It is a super-2 number, since 2×214770769² = 92252966433702722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214770763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107385384 + 107385385.

It is an arithmetic number, because the mean of its divisors is an integer number (107385385).

Almost surely, 2^214770769 is an apocalyptic number.

It is an amenable number.

214770769 is a deficient number, since it is larger than the sum of its proper divisors (1).

214770769 is an equidigital number, since it uses as much as digits as its factorization.

214770769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 214770769 is about 14655.0595017557. The cubic root of 214770769 is about 598.8596572184.

The spelling of 214770769 in words is "two hundred fourteen million, seven hundred seventy thousand, seven hundred sixty-nine".