1634195012 has 6 divisors (see below), whose sum is σ = 2859841278. Its totient is φ = 817097504.

The previous prime is 1634194981. The next prime is 1634195041. The reversal of 1634195012 is 2105914361.

It can be written as a sum of positive squares in only one way, i.e., 1264940356 + 369254656 = 35566^2 + 19216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1634195012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204274373 + ... + 204274380.

It is an arithmetic number, because the mean of its divisors is an integer number (476640213).

Almost surely, 2^1634195012 is an apocalyptic number.

It is an amenable number.

1634195012 is a deficient number, since it is larger than the sum of its proper divisors (1225646266).

1634195012 is a wasteful number, since it uses less digits than its factorization.

1634195012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408548757 (or 408548755 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1634195012 is about 40425.1779464234. The cubic root of 1634195012 is about 1177.8806667983.

The spelling of 1634195012 in words is "one billion, six hundred thirty-four million, one hundred ninety-five thousand, twelve".