1970119049 has 2 divisors, whose sum is σ = 1970119050. Its totient is φ = 1970119048.

The previous prime is 1970119009. The next prime is 1970119051. The reversal of 1970119049 is 9409110791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651853449 + 318265600 = 40643^2 + 17840^2 .

It is an emirp because it is prime and its reverse (9409110791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970119049 is a prime.

Together with 1970119051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1970118997 and 1970119015.

It is not a weakly prime, because it can be changed into another prime (1970119009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985059524 + 985059525.

It is an arithmetic number, because the mean of its divisors is an integer number (985059525).

Almost surely, 2^1970119049 is an apocalyptic number.

It is an amenable number.

1970119049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970119049 is an equidigital number, since it uses as much as digits as its factorization.

1970119049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1970119049 is about 44386.0231266555. The cubic root of 1970119049 is about 1253.6149328507.

The spelling of 1970119049 in words is "one billion, nine hundred seventy million, one hundred nineteen thousand, forty-nine".