1930543930 has 32 divisors (see below), whose sum is σ = 3985478784. Its totient is φ = 659555136.

The previous prime is 1930543913. The next prime is 1930543943. The reversal of 1930543930 is 393450391.

It is a self number, because there is not a number n which added to its sum of digits gives 1930543930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28917 + ... + 68536.

It is an arithmetic number, because the mean of its divisors is an integer number (124546212).

Almost surely, 2^1930543930 is an apocalyptic number.

1930543930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1930543930 is an abundant number, since it is smaller than the sum of its proper divisors (2054934854).

1930543930 is a wasteful number, since it uses less digits than its factorization.

1930543930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97750.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 1930543930 is about 43937.9554599437. The cubic root of 1930543930 is about 1245.1640198308.

The spelling of 1930543930 in words is "one billion, nine hundred thirty million, five hundred forty-three thousand, nine hundred thirty".