40615320061369 has 2 divisors, whose sum is σ = 40615320061370. Its totient is φ = 40615320061368.

The previous prime is 40615320061297. The next prime is 40615320061403. The reversal of 40615320061369 is 96316002351604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39920409427600 + 694910633769 = 6318260^2 + 833613^2 .

It is a cyclic number.

It is not a de Polignac number, because 40615320061369 - 2¹³ = 40615320053177 is a prime.

It is a super-2 number, since 2×40615320061369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40615320061969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307660030684 + 20307660030685.

It is an arithmetic number, because the mean of its divisors is an integer number (20307660030685).

Almost surely, 2^{40615320061369} is an apocalyptic number.

It is an amenable number.

40615320061369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40615320061369 is an equidigital number, since it uses as much as digits as its factorization.

40615320061369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 40615320061369 in words is "forty trillion, six hundred fifteen billion, three hundred twenty million, sixty-one thousand, three hundred sixty-nine".