1930212013 has 2 divisors, whose sum is σ = 1930212014. Its totient is φ = 1930212012.

The previous prime is 1930211999. The next prime is 1930212023. The reversal of 1930212013 is 3102120391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1832952969 + 97259044 = 42813^2 + 9862^2 .

It is an emirp because it is prime and its reverse (3102120391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1930212013 - 2²¹ = 1928114861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930212023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965106006 + 965106007.

It is an arithmetic number, because the mean of its divisors is an integer number (965106007).

Almost surely, 2^1930212013 is an apocalyptic number.

It is an amenable number.

1930212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930212013 is an equidigital number, since it uses as much as digits as its factorization.

1930212013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1930212013 is about 43934.1781873748. The cubic root of 1930212013 is about 1245.0926556956.

The spelling of 1930212013 in words is "one billion, nine hundred thirty million, two hundred twelve thousand, thirteen".