374930909 has 2 divisors, whose sum is σ = 374930910. Its totient is φ = 374930908.

The previous prime is 374930893. The next prime is 374930951. The reversal of 374930909 is 909039473.

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., 301022500 + 73908409 = 17350^2 + 8597^2 .

It is an emirp because it is prime and its reverse (909039473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374930909 - 2⁴ = 374930893 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 374930909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374930209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187465454 + 187465455.

It is an arithmetic number, because the mean of its divisors is an integer number (187465455).

Almost surely, 2^374930909 is an apocalyptic number.

It is an amenable number.

374930909 is a deficient number, since it is larger than the sum of its proper divisors (1).

374930909 is an equidigital number, since it uses as much as digits as its factorization.

374930909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 374930909 is about 19363.1327269117. The cubic root of 374930909 is about 721.0804951157.

The spelling of 374930909 in words is "three hundred seventy-four million, nine hundred thirty thousand, nine hundred nine".