374545489 has 2 divisors, whose sum is σ = 374545490. Its totient is φ = 374545488.

The previous prime is 374545481. The next prime is 374545517. The reversal of 374545489 is 984545473.

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., 351187600 + 23357889 = 18740^2 + 4833^2 .

It is an emirp because it is prime and its reverse (984545473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374545489 - 2³ = 374545481 is a prime.

It is not a weakly prime, because it can be changed into another prime (374545481) 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, 187272744 + 187272745.

It is an arithmetic number, because the mean of its divisors is an integer number (187272745).

Almost surely, 2^374545489 is an apocalyptic number.

It is an amenable number.

374545489 is a deficient number, since it is larger than the sum of its proper divisors (1).

374545489 is an equidigital number, since it uses as much as digits as its factorization.

374545489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The square root of 374545489 is about 19353.1777494033. The cubic root of 374545489 is about 720.8333259054.

The spelling of 374545489 in words is "three hundred seventy-four million, five hundred forty-five thousand, four hundred eighty-nine".