1642853804 has 12 divisors (see below), whose sum is σ = 2967736128. Its totient is φ = 794929200.

The previous prime is 1642853801. The next prime is 1642853813. The reversal of 1642853804 is 4083582461.

It is not an unprimeable number, because it can be changed into a prime (1642853801) by changing a digit.

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, 6624287 + ... + 6624534.

It is an arithmetic number, because the mean of its divisors is an integer number (247311344).

Almost surely, 2^1642853804 is an apocalyptic number.

It is an amenable number.

1642853804 is a deficient number, since it is larger than the sum of its proper divisors (1324882324).

1642853804 is a wasteful number, since it uses less digits than its factorization.

1642853804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248856 (or 13248854 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1642853804 is about 40532.1329811299. The cubic root of 1642853804 is about 1179.9573392601.

The spelling of 1642853804 in words is "one billion, six hundred forty-two million, eight hundred fifty-three thousand, eight hundred four".