20413653629983 has 2 divisors, whose sum is σ = 20413653629984. Its totient is φ = 20413653629982.

The previous prime is 20413653629881. The next prime is 20413653630043. The reversal of 20413653629983 is 38992635631402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413653629983 is a prime.

It is a super-2 number, since 2×20413653629983² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413653621983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206826814991 + 10206826814992.

It is an arithmetic number, because the mean of its divisors is an integer number (10206826814992).

Almost surely, 2^{20413653629983} is an apocalyptic number.

20413653629983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413653629983 is an equidigital number, since it uses as much as digits as its factorization.

20413653629983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 61.

The spelling of 20413653629983 in words is "twenty trillion, four hundred thirteen billion, six hundred fifty-three million, six hundred twenty-nine thousand, nine hundred eighty-three".