1930076549 has 2 divisors, whose sum is σ = 1930076550. Its totient is φ = 1930076548.

The previous prime is 1930076513. The next prime is 1930076581. The reversal of 1930076549 is 9456700391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1340072449 + 590004100 = 36607^2 + 24290^2 .

It is an emirp because it is prime and its reverse (9456700391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1930076549 - 2¹² = 1930072453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930076149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965038274 + 965038275.

It is an arithmetic number, because the mean of its divisors is an integer number (965038275).

Almost surely, 2^1930076549 is an apocalyptic number.

It is an amenable number.

1930076549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930076549 is an equidigital number, since it uses as much as digits as its factorization.

1930076549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1930076549 is about 43932.6364904270. The cubic root of 1930076549 is about 1245.0635277767.

The spelling of 1930076549 in words is "one billion, nine hundred thirty million, seventy-six thousand, five hundred forty-nine".