1634256412 has 6 divisors (see below), whose sum is σ = 2859948728. Its totient is φ = 817128204.

The previous prime is 1634256397. The next prime is 1634256451. The reversal of 1634256412 is 2146524361.

It is a super-2 number, since 2×1634256412² = 5341588040326227488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 204282048 + ... + 204282055.

Almost surely, 2^1634256412 is an apocalyptic number.

It is an amenable number.

1634256412 is a deficient number, since it is larger than the sum of its proper divisors (1225692316).

1634256412 is a wasteful number, since it uses less digits than its factorization.

1634256412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408564107 (or 408564105 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 1634256412 is about 40425.9373669925. The cubic root of 1634256412 is about 1177.8954183971.

The spelling of 1634256412 in words is "one billion, six hundred thirty-four million, two hundred fifty-six thousand, four hundred twelve".