374924989 has 2 divisors, whose sum is σ = 374924990. Its totient is φ = 374924988.

The previous prime is 374924947. The next prime is 374924993. The reversal of 374924989 is 989429473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344399364 + 30525625 = 18558^2 + 5525^2 .

It is an emirp because it is prime and its reverse (989429473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 374924989 - 2²¹ = 372827837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374924089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187462494 + 187462495.

It is an arithmetic number, because the mean of its divisors is an integer number (187462495).

Almost surely, 2^374924989 is an apocalyptic number.

It is an amenable number.

374924989 is a deficient number, since it is larger than the sum of its proper divisors (1).

374924989 is an equidigital number, since it uses as much as digits as its factorization.

374924989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 55.

The square root of 374924989 is about 19362.9798584825. The cubic root of 374924989 is about 721.0766999107.

The spelling of 374924989 in words is "three hundred seventy-four million, nine hundred twenty-four thousand, nine hundred eighty-nine".