90143074009 has 2 divisors, whose sum is σ = 90143074010. Its totient is φ = 90143074008.

The previous prime is 90143073961. The next prime is 90143074051. The reversal of 90143074009 is 90047034109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63808275609 + 26334798400 = 252603^2 + 162280^2 .

It is a cyclic number.

It is not a de Polignac number, because 90143074009 - 2⁹ = 90143073497 is a prime.

It is not a weakly prime, because it can be changed into another prime (90143024009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45071537004 + 45071537005.

It is an arithmetic number, because the mean of its divisors is an integer number (45071537005).

Almost surely, 2^90143074009 is an apocalyptic number.

It is an amenable number.

90143074009 is a deficient number, since it is larger than the sum of its proper divisors (1).

90143074009 is an equidigital number, since it uses as much as digits as its factorization.

90143074009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 90143074009 in words is "ninety billion, one hundred forty-three million, seventy-four thousand, nine".