874096649 has 2 divisors, whose sum is σ = 874096650. Its totient is φ = 874096648.

The previous prime is 874096609. The next prime is 874096681. The reversal of 874096649 is 946690478.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653722624 + 220374025 = 25568^2 + 14845^2 .

It is a cyclic number.

It is not a de Polignac number, because 874096649 - 2¹⁶ = 874031113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 874096649.

It is not a weakly prime, because it can be changed into another prime (874096609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437048324 + 437048325.

It is an arithmetic number, because the mean of its divisors is an integer number (437048325).

Almost surely, 2^874096649 is an apocalyptic number.

It is an amenable number.

874096649 is a deficient number, since it is larger than the sum of its proper divisors (1).

874096649 is an equidigital number, since it uses as much as digits as its factorization.

874096649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 874096649 is about 29565.1255535978. The cubic root of 874096649 is about 956.1363259923.

The spelling of 874096649 in words is "eight hundred seventy-four million, ninety-six thousand, six hundred forty-nine".