274489829 has 2 divisors, whose sum is σ = 274489830. Its totient is φ = 274489828.

The previous prime is 274489807. The next prime is 274489861. The reversal of 274489829 is 928984472.

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., 243297604 + 31192225 = 15598^2 + 5585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274489829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274489879) 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, 137244914 + 137244915.

It is an arithmetic number, because the mean of its divisors is an integer number (137244915).

Almost surely, 2^274489829 is an apocalyptic number.

It is an amenable number.

274489829 is a deficient number, since it is larger than the sum of its proper divisors (1).

274489829 is an equidigital number, since it uses as much as digits as its factorization.

274489829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The square root of 274489829 is about 16567.7345765799. The cubic root of 274489829 is about 649.8933387115.

The spelling of 274489829 in words is "two hundred seventy-four million, four hundred eighty-nine thousand, eight hundred twenty-nine".