1063823642 has 16 divisors (see below), whose sum is σ = 1919682240. Its totient is φ = 431928288.

The previous prime is 1063823633. The next prime is 1063823659. The reversal of 1063823642 is 2463283601.

It is a super-2 number, since 2×1063823642² = 2263441482556288328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1999403 + ... + 1999934.

It is an arithmetic number, because the mean of its divisors is an integer number (119980140).

Almost surely, 2^1063823642 is an apocalyptic number.

1063823642 is a deficient number, since it is larger than the sum of its proper divisors (855858598).

1063823642 is a wasteful number, since it uses less digits than its factorization.

1063823642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999365.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1063823642 is about 32616.3094478821. The cubic root of 1063823642 is about 1020.8373369043.

The spelling of 1063823642 in words is "one billion, sixty-three million, eight hundred twenty-three thousand, six hundred forty-two".