90713110109 has 2 divisors, whose sum is σ = 90713110110. Its totient is φ = 90713110108.

The previous prime is 90713110013. The next prime is 90713110133. The reversal of 90713110109 is 90101131709.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61558572100 + 29154538009 = 248110^2 + 170747^2 .

It is a cyclic number.

It is not a de Polignac number, because 90713110109 - 2²⁸ = 90444674653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90713119109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45356555054 + 45356555055.

It is an arithmetic number, because the mean of its divisors is an integer number (45356555055).

Almost surely, 2^90713110109 is an apocalyptic number.

It is an amenable number.

90713110109 is a deficient number, since it is larger than the sum of its proper divisors (1).

90713110109 is an equidigital number, since it uses as much as digits as its factorization.

90713110109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 32.

The spelling of 90713110109 in words is "ninety billion, seven hundred thirteen million, one hundred ten thousand, one hundred nine".