1634423914 has 8 divisors (see below), whose sum is σ = 2453602500. Its totient is φ = 816556416.

The previous prime is 1634423897. The next prime is 1634423933. The reversal of 1634423914 is 4193244361.

It can be written as a sum of positive squares in 2 ways, for example, as 1600400025 + 34023889 = 40005^2 + 5833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324649 + ... + 329644.

Almost surely, 2^1634423914 is an apocalyptic number.

1634423914 is a deficient number, since it is larger than the sum of its proper divisors (819178586).

1634423914 is a wasteful number, since it uses less digits than its factorization.

1634423914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655544.

The product of its digits is 62208, while the sum is 37.

The square root of 1634423914 is about 40428.0090283952. The cubic root of 1634423914 is about 1177.9356595523.

The spelling of 1634423914 in words is "one billion, six hundred thirty-four million, four hundred twenty-three thousand, nine hundred fourteen".