1970383399 has 2 divisors, whose sum is σ = 1970383400. Its totient is φ = 1970383398.

The previous prime is 1970383309. The next prime is 1970383403. The reversal of 1970383399 is 9933830791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1970383399 - 2⁷ = 1970383271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970383309) 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, 985191699 + 985191700.

It is an arithmetic number, because the mean of its divisors is an integer number (985191700).

Almost surely, 2^1970383399 is an apocalyptic number.

1970383399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970383399 is an equidigital number, since it uses as much as digits as its factorization.

1970383399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 1970383399 is about 44389.0008785960. Note that the first 3 decimals coincide. The cubic root of 1970383399 is about 1253.6710002386.

The spelling of 1970383399 in words is "one billion, nine hundred seventy million, three hundred eighty-three thousand, three hundred ninety-nine".