7018774013 has 2 divisors, whose sum is σ = 7018774014. Its totient is φ = 7018774012.

The previous prime is 7018773991. The next prime is 7018774027. The reversal of 7018774013 is 3104778107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4380718969 + 2638055044 = 66187^2 + 51362^2 .

It is a cyclic number.

It is not a de Polignac number, because 7018774013 - 2⁸ = 7018773757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7018774043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509387006 + 3509387007.

It is an arithmetic number, because the mean of its divisors is an integer number (3509387007).

Almost surely, 2^7018774013 is an apocalyptic number.

It is an amenable number.

7018774013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7018774013 is an equidigital number, since it uses as much as digits as its factorization.

7018774013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 7018774013 is about 83778.1237137715. The cubic root of 7018774013 is about 1914.6398178224.

The spelling of 7018774013 in words is "seven billion, eighteen million, seven hundred seventy-four thousand, thirteen".