1642093008 has 20 divisors (see below), whose sum is σ = 4242073728. Its totient is φ = 547364320.

The previous prime is 1642092983. The next prime is 1642093021. The reversal of 1642093008 is 8003902461.

It is a self number, because there is not a number n which added to its sum of digits gives 1642093008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17105088 + ... + 17105183.

Almost surely, 2^1642093008 is an apocalyptic number.

It is an amenable number.

1642093008 is an abundant number, since it is smaller than the sum of its proper divisors (2599980720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1642093008 is a wasteful number, since it uses less digits than its factorization.

1642093008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34210282 (or 34210276 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1642093008 is about 40522.7467973236. The cubic root of 1642093008 is about 1179.7751673526.

Adding to 1642093008 its reverse (8003902461), we get a palindrome (9645995469).

The spelling of 1642093008 in words is "one billion, six hundred forty-two million, ninety-three thousand, eight".