374121409 has 2 divisors, whose sum is σ = 374121410. Its totient is φ = 374121408.

The previous prime is 374121401. The next prime is 374121437. The reversal of 374121409 is 904121473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301786384 + 72335025 = 17372^2 + 8505^2 .

It is a cyclic number.

It is not a de Polignac number, because 374121409 - 2³ = 374121401 is a prime.

It is not a weakly prime, because it can be changed into another prime (374121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187060704 + 187060705.

It is an arithmetic number, because the mean of its divisors is an integer number (187060705).

Almost surely, 2^374121409 is an apocalyptic number.

It is an amenable number.

374121409 is a deficient number, since it is larger than the sum of its proper divisors (1).

374121409 is an equidigital number, since it uses as much as digits as its factorization.

374121409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 374121409 is about 19342.2183060785. The cubic root of 374121409 is about 720.5611680932.

The spelling of 374121409 in words is "three hundred seventy-four million, one hundred twenty-one thousand, four hundred nine".