20416140219539 has 2 divisors, whose sum is σ = 20416140219540. Its totient is φ = 20416140219538.

The previous prime is 20416140219533. The next prime is 20416140219547. The reversal of 20416140219539 is 93591204161402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20416140219539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20416140219493 and 20416140219502.

It is not a weakly prime, because it can be changed into another prime (20416140219533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10208070109769 + 10208070109770.

It is an arithmetic number, because the mean of its divisors is an integer number (10208070109770).

Almost surely, 2^{20416140219539} is an apocalyptic number.

20416140219539 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416140219539 is an equidigital number, since it uses as much as digits as its factorization.

20416140219539 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 47.

The spelling of 20416140219539 in words is "twenty trillion, four hundred sixteen billion, one hundred forty million, two hundred nineteen thousand, five hundred thirty-nine".