1043651642 has 16 divisors (see below), whose sum is σ = 1762884864. Its totient is φ = 459084000.

The previous prime is 1043651633. The next prime is 1043651659. The reversal of 1043651642 is 2461563401.

It is a junction number, because it is equal to n+sod(n) for n = 1043651599 and 1043651608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764459 + ... + 765822.

It is an arithmetic number, because the mean of its divisors is an integer number (110180304).

Almost surely, 2^1043651642 is an apocalyptic number.

1043651642 is a deficient number, since it is larger than the sum of its proper divisors (719233222).

1043651642 is a wasteful number, since it uses less digits than its factorization.

1043651642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530325.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1043651642 is about 32305.5976883264. The cubic root of 1043651642 is about 1014.3438184811.

The spelling of 1043651642 in words is "one billion, forty-three million, six hundred fifty-one thousand, six hundred forty-two".