40730365853 has 2 divisors, whose sum is σ = 40730365854. Its totient is φ = 40730365852.

The previous prime is 40730365843. The next prime is 40730365877. The reversal of 40730365853 is 35856303704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40470575929 + 259789924 = 201173^2 + 16118^2 .

It is a cyclic number.

It is not a de Polignac number, because 40730365853 - 2¹⁴ = 40730349469 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 (40730365843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20365182926 + 20365182927.

It is an arithmetic number, because the mean of its divisors is an integer number (20365182927).

Almost surely, 2^40730365853 is an apocalyptic number.

It is an amenable number.

40730365853 is a deficient number, since it is larger than the sum of its proper divisors (1).

40730365853 is an equidigital number, since it uses as much as digits as its factorization.

40730365853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 40730365853 in words is "forty billion, seven hundred thirty million, three hundred sixty-five thousand, eight hundred fifty-three".