1971043552 has 24 divisors (see below), whose sum is σ = 3903739056. Its totient is φ = 979617792.

The previous prime is 1971043531. The next prime is 1971043561. The reversal of 1971043552 is 2553401791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179073 + ... + 189760.

It is an arithmetic number, because the mean of its divisors is an integer number (162655794).

Almost surely, 2^1971043552 is an apocalyptic number.

It is an amenable number.

1971043552 is a deficient number, since it is larger than the sum of its proper divisors (1932695504).

1971043552 is a wasteful number, since it uses less digits than its factorization.

1971043552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369010 (or 369002 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 1971043552 is about 44396.4362533751. The cubic root of 1971043552 is about 1253.8109936805.

The spelling of 1971043552 in words is "one billion, nine hundred seventy-one million, forty-three thousand, five hundred fifty-two".