1930111472 has 20 divisors (see below), whose sum is σ = 3868543320. Its totient is φ = 931777728.

The previous prime is 1930111471. The next prime is 1930111511. The reversal of 1930111472 is 2741110391.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930111471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079398 + ... + 2080325.

It is an arithmetic number, because the mean of its divisors is an integer number (193427166).

Almost surely, 2^1930111472 is an apocalyptic number.

It is an amenable number.

1930111472 is an abundant number, since it is smaller than the sum of its proper divisors (1938431848).

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

1930111472 is a wasteful number, since it uses less digits than its factorization.

1930111472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159760 (or 4159754 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1930111472 is about 43933.0339494099. The cubic root of 1930111472 is about 1245.0710371665.

The spelling of 1930111472 in words is "one billion, nine hundred thirty million, one hundred eleven thousand, four hundred seventy-two".