2013870073 has 2 divisors, whose sum is σ = 2013870074. Its totient is φ = 2013870072.

The previous prime is 2013870071. The next prime is 2013870091. The reversal of 2013870073 is 3700783102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1175941264 + 837928809 = 34292^2 + 28947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013870073 - 2¹ = 2013870071 is a prime.

Together with 2013870071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2013870071) 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, 1006935036 + 1006935037.

It is an arithmetic number, because the mean of its divisors is an integer number (1006935037).

Almost surely, 2^2013870073 is an apocalyptic number.

It is an amenable number.

2013870073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013870073 is an equidigital number, since it uses as much as digits as its factorization.

2013870073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2013870073 is about 44876.1637509268. The cubic root of 2013870073 is about 1262.8268756981.

The spelling of 2013870073 in words is "two billion, thirteen million, eight hundred seventy thousand, seventy-three".