35666669 has 2 divisors, whose sum is σ = 35666670. Its totient is φ = 35666668.

The previous prime is 35666641. The next prime is 35666671. The reversal of 35666669 is 96666653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31214569 + 4452100 = 5587^2 + 2110^2 .

It is an emirp because it is prime and its reverse (96666653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35666669 - 2¹² = 35662573 is a prime.

It is a super-2 number, since 2×35666669² = 2544222555111122, which contains 22 as substring.

Together with 35666671, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35666369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17833334 + 17833335.

It is an arithmetic number, because the mean of its divisors is an integer number (17833335).

Almost surely, 2^35666669 is an apocalyptic number.

It is an amenable number.

35666669 is a deficient number, since it is larger than the sum of its proper divisors (1).

35666669 is an equidigital number, since it uses as much as digits as its factorization.

35666669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 47.

The square root of 35666669 is about 5972.1578177406. The cubic root of 35666669 is about 329.1704570270.

The spelling of 35666669 in words is "thirty-five million, six hundred sixty-six thousand, six hundred sixty-nine".