373652009 has 2 divisors, whose sum is σ = 373652010. Its totient is φ = 373652008.

The previous prime is 373651991. The next prime is 373652047. The reversal of 373652009 is 900256373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356454400 + 17197609 = 18880^2 + 4147^2 .

It is an emirp because it is prime and its reverse (900256373) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373652009 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 373652009.

It is not a weakly prime, because it can be changed into another prime (373651009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186826004 + 186826005.

It is an arithmetic number, because the mean of its divisors is an integer number (186826005).

Almost surely, 2^373652009 is an apocalyptic number.

It is an amenable number.

373652009 is a deficient number, since it is larger than the sum of its proper divisors (1).

373652009 is an equidigital number, since it uses as much as digits as its factorization.

373652009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 373652009 is about 19330.0804188705. The cubic root of 373652009 is about 720.2596857762.

The spelling of 373652009 in words is "three hundred seventy-three million, six hundred fifty-two thousand, nine".