35195989 has 2 divisors, whose sum is σ = 35195990. Its totient is φ = 35195988.

The previous prime is 35195987. The next prime is 35196013. The reversal of 35195989 is 98959153.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 14311089 = 4570^2 + 3783^2 .

It is an emirp because it is prime and its reverse (98959153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35195989 - 2¹ = 35195987 is a prime.

Together with 35195987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35195981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17597994 + 17597995.

It is an arithmetic number, because the mean of its divisors is an integer number (17597995).

Almost surely, 2^35195989 is an apocalyptic number.

It is an amenable number.

35195989 is a deficient number, since it is larger than the sum of its proper divisors (1).

35195989 is an equidigital number, since it uses as much as digits as its factorization.

35195989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 49.

The square root of 35195989 is about 5932.6207530905. The cubic root of 35195989 is about 327.7160596704.

The spelling of 35195989 in words is "thirty-five million, one hundred ninety-five thousand, nine hundred eighty-nine".