1930111929 has 8 divisors (see below), whose sum is σ = 2859425120. Its totient is φ = 1286741268.

The previous prime is 1930111913. The next prime is 1930112021. The reversal of 1930111929 is 9291110391.

It is not a de Polignac number, because 1930111929 - 2⁴ = 1930111913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1930111893 and 1930111902.

It is not an unprimeable number, because it can be changed into a prime (1930111829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35742787 + ... + 35742840.

It is an arithmetic number, because the mean of its divisors is an integer number (357428140).

Almost surely, 2^1930111929 is an apocalyptic number.

It is an amenable number.

1930111929 is a deficient number, since it is larger than the sum of its proper divisors (929313191).

1930111929 is an equidigital number, since it uses as much as digits as its factorization.

1930111929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71485636 (or 71485630 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 1930111929 is about 43933.0391505072. The cubic root of 1930111929 is about 1245.0711354332.

The spelling of 1930111929 in words is "one billion, nine hundred thirty million, one hundred eleven thousand, nine hundred twenty-nine".