1930112563 has 4 divisors (see below), whose sum is σ = 1930665808. Its totient is φ = 1929559320.

The previous prime is 1930112557. The next prime is 1930112579. The reversal of 1930112563 is 3652110391.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1930112563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930112543) 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, 271356 + ... + 278377.

It is an arithmetic number, because the mean of its divisors is an integer number (482666452).

Almost surely, 2^1930112563 is an apocalyptic number.

1930112563 is a deficient number, since it is larger than the sum of its proper divisors (553245).

1930112563 is an equidigital number, since it uses as much as digits as its factorization.

1930112563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553244.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1930112563 is about 43933.0463660329. The cubic root of 1930112563 is about 1245.0712717595.

It can be divided in two parts, 1930 and 112563, that multiplied together give a triangular number (217246590 = T₂₀₈₄₄).

The spelling of 1930112563 in words is "one billion, nine hundred thirty million, one hundred twelve thousand, five hundred sixty-three".