6163987932409 has 2 divisors, whose sum is σ = 6163987932410. Its totient is φ = 6163987932408.

The previous prime is 6163987932313. The next prime is 6163987932413. The reversal of 6163987932409 is 9042397893616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664947413225 + 499040519184 = 2380115^2 + 706428^2 .

It is a cyclic number.

It is not a de Polignac number, because 6163987932409 - 2²¹ = 6163985835257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6163987932419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3081993966204 + 3081993966205.

It is an arithmetic number, because the mean of its divisors is an integer number (3081993966205).

Almost surely, 2^{6163987932409} is an apocalyptic number.

It is an amenable number.

6163987932409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6163987932409 is an equidigital number, since it uses as much as digits as its factorization.

6163987932409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105815808, while the sum is 67.

The spelling of 6163987932409 in words is "six trillion, one hundred sixty-three billion, nine hundred eighty-seven million, nine hundred thirty-two thousand, four hundred nine".