1634421244 has 6 divisors (see below), whose sum is σ = 2860237184. Its totient is φ = 817210620.

The previous prime is 1634421241. The next prime is 1634421301. The reversal of 1634421244 is 4421244361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634421241) 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, 204302652 + ... + 204302659.

Almost surely, 2^1634421244 is an apocalyptic number.

It is an amenable number.

1634421244 is a deficient number, since it is larger than the sum of its proper divisors (1225815940).

1634421244 is a wasteful number, since it uses less digits than its factorization.

1634421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408605315 (or 408605313 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 1634421244 is about 40427.9760067209. The cubic root of 1634421244 is about 1177.9350181255.

The spelling of 1634421244 in words is "one billion, six hundred thirty-four million, four hundred twenty-one thousand, two hundred forty-four".