1947425612 has 12 divisors (see below), whose sum is σ = 3717812616. Its totient is φ = 885193440.

The previous prime is 1947425593. The next prime is 1947425621. The reversal of 1947425612 is 2165247491.

It is a self number, because there is not a number n which added to its sum of digits gives 1947425612.

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, 22129793 + ... + 22129880.

It is an arithmetic number, because the mean of its divisors is an integer number (309817718).

Almost surely, 2^1947425612 is an apocalyptic number.

It is an amenable number.

1947425612 is a deficient number, since it is larger than the sum of its proper divisors (1770387004).

1947425612 is a wasteful number, since it uses less digits than its factorization.

1947425612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44259688 (or 44259686 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1947425612 is about 44129.6455005023. The cubic root of 1947425612 is about 1248.7829459682.

The spelling of 1947425612 in words is "one billion, nine hundred forty-seven million, four hundred twenty-five thousand, six hundred twelve".