9090703813 has 2 divisors, whose sum is σ = 9090703814. Its totient is φ = 9090703812.

The previous prime is 9090703781. The next prime is 9090703829. The reversal of 9090703813 is 3183070909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8938378849 + 152324964 = 94543^2 + 12342^2 .

It is a cyclic number.

It is not a de Polignac number, because 9090703813 - 2⁵ = 9090703781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090703513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545351906 + 4545351907.

It is an arithmetic number, because the mean of its divisors is an integer number (4545351907).

Almost surely, 2^9090703813 is an apocalyptic number.

It is an amenable number.

9090703813 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090703813 is an equidigital number, since it uses as much as digits as its factorization.

9090703813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9090703813 is about 95345.1824320453. The cubic root of 9090703813 is about 2087.0483132732.

The spelling of 9090703813 in words is "nine billion, ninety million, seven hundred three thousand, eight hundred thirteen".