20413653630043 has 2 divisors, whose sum is σ = 20413653630044. Its totient is φ = 20413653630042.

The previous prime is 20413653629983. The next prime is 20413653630061. The reversal of 20413653630043 is 34003635631402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413653630043 is a prime.

It is a super-2 number, since 2×20413653630043² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20413653629978 and 20413653630005.

It is not a weakly prime, because it can be changed into another prime (20413653630143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206826815021 + 10206826815022.

It is an arithmetic number, because the mean of its divisors is an integer number (10206826815022).

Almost surely, 2^{20413653630043} is an apocalyptic number.

20413653630043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413653630043 is an equidigital number, since it uses as much as digits as its factorization.

20413653630043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 20413653630043 in words is "twenty trillion, four hundred thirteen billion, six hundred fifty-three million, six hundred thirty thousand, forty-three".