1930009100 has 18 divisors (see below), whose sum is σ = 4188119964. Its totient is φ = 772003600.

The previous prime is 1930009093. The next prime is 1930009111. The reversal of 1930009100 is 19000391.

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 5 ways as a sum of consecutive naturals, for example, 9649946 + ... + 9650145.

Almost surely, 2^1930009100 is an apocalyptic number.

1930009100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1930009100 is an abundant number, since it is smaller than the sum of its proper divisors (2258110864).

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

1930009100 is a wasteful number, since it uses less digits than its factorization.

1930009100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300105 (or 19300098 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1930009100 is about 43931.8688425612. The cubic root of 1930009100 is about 1245.0490241605.

Adding to 1930009100 its reverse (19000391), we get a palindrome (1949009491).

The spelling of 1930009100 in words is "one billion, nine hundred thirty million, nine thousand, one hundred".