1930776473 has 2 divisors, whose sum is σ = 1930776474. Its totient is φ = 1930776472.

The previous prime is 1930776427. The next prime is 1930776487. The reversal of 1930776473 is 3746770391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021633369 + 909143104 = 31963^2 + 30152^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930776473 - 2¹² = 1930772377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1930776973) 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 as a sum of consecutive naturals, namely, 965388236 + 965388237.

It is an arithmetic number, because the mean of its divisors is an integer number (965388237).

Almost surely, 2^1930776473 is an apocalyptic number.

It is an amenable number.

1930776473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930776473 is an equidigital number, since it uses as much as digits as its factorization.

1930776473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 47.

The square root of 1930776473 is about 43940.6016458582. The cubic root of 1930776473 is about 1245.2140130904.

The spelling of 1930776473 in words is "one billion, nine hundred thirty million, seven hundred seventy-six thousand, four hundred seventy-three".