40747812130169 has 2 divisors, whose sum is σ = 40747812130170. Its totient is φ = 40747812130168.

The previous prime is 40747812130163. The next prime is 40747812130213. The reversal of 40747812130169 is 96103121874704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22894119648400 + 17853692481769 = 4784780^2 + 4225363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40747812130169 is a prime.

It is a super-2 number, since 2×40747812130169² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40747812130169.

It is not a weakly prime, because it can be changed into another prime (40747812130163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373906065084 + 20373906065085.

It is an arithmetic number, because the mean of its divisors is an integer number (20373906065085).

Almost surely, 2^{40747812130169} is an apocalyptic number.

It is an amenable number.

40747812130169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40747812130169 is an equidigital number, since it uses as much as digits as its factorization.

40747812130169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 40747812130169 in words is "forty trillion, seven hundred forty-seven billion, eight hundred twelve million, one hundred thirty thousand, one hundred sixty-nine".