20146053043939 has 2 divisors, whose sum is σ = 20146053043940. Its totient is φ = 20146053043938.

The previous prime is 20146053043931. The next prime is 20146053043957. The reversal of 20146053043939 is 93934035064102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20146053043939 - 2³ = 20146053043931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20146053043892 and 20146053043901.

It is not a weakly prime, because it can be changed into another prime (20146053043931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073026521969 + 10073026521970.

It is an arithmetic number, because the mean of its divisors is an integer number (10073026521970).

Almost surely, 2^{20146053043939} is an apocalyptic number.

20146053043939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146053043939 is an equidigital number, since it uses as much as digits as its factorization.

20146053043939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 20146053043939 in words is "twenty trillion, one hundred forty-six billion, fifty-three million, forty-three thousand, nine hundred thirty-nine".