40163630381683 has 2 divisors, whose sum is σ = 40163630381684. Its totient is φ = 40163630381682.

The previous prime is 40163630381681. The next prime is 40163630381711. The reversal of 40163630381683 is 38618303636104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40163630381683 - 2¹ = 40163630381681 is a prime.

It is a super-2 number, since 2×40163630381683² (a number of 28 digits) contains 22 as substring.

Together with 40163630381681, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40163630381683.

It is not a weakly prime, because it can be changed into another prime (40163630381681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081815190841 + 20081815190842.

It is an arithmetic number, because the mean of its divisors is an integer number (20081815190842).

Almost surely, 2^{40163630381683} is an apocalyptic number.

40163630381683 is a deficient number, since it is larger than the sum of its proper divisors (1).

40163630381683 is an equidigital number, since it uses as much as digits as its factorization.

40163630381683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 40163630381683 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty million, three hundred eighty-one thousand, six hundred eighty-three".