1970550013 has 2 divisors, whose sum is σ = 1970550014. Its totient is φ = 1970550012.

The previous prime is 1970550011. The next prime is 1970550037. The reversal of 1970550013 is 3100550791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1687402084 + 283147929 = 41078^2 + 16827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1970550013 - 2¹ = 1970550011 is a prime.

Together with 1970550011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1970550011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985275006 + 985275007.

It is an arithmetic number, because the mean of its divisors is an integer number (985275007).

Almost surely, 2^1970550013 is an apocalyptic number.

It is an amenable number.

1970550013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970550013 is an equidigital number, since it uses as much as digits as its factorization.

1970550013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 1970550013 is about 44390.8775876305. The cubic root of 1970550013 is about 1253.7063357056.

The spelling of 1970550013 in words is "one billion, nine hundred seventy million, five hundred fifty thousand, thirteen".