6113563604989 has 2 divisors, whose sum is σ = 6113563604990. Its totient is φ = 6113563604988.

The previous prime is 6113563604969. The next prime is 6113563605091. The reversal of 6113563604989 is 9894063653116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4336981181764 + 1776582423225 = 2082542^2 + 1332885^2 .

It is a cyclic number.

It is not a de Polignac number, because 6113563604989 - 2²³ = 6113555216381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6113563604909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056781802494 + 3056781802495.

It is an arithmetic number, because the mean of its divisors is an integer number (3056781802495).

Almost surely, 2^{6113563604989} is an apocalyptic number.

It is an amenable number.

6113563604989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6113563604989 is an equidigital number, since it uses as much as digits as its factorization.

6113563604989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 6113563604989 in words is "six trillion, one hundred thirteen billion, five hundred sixty-three million, six hundred four thousand, nine hundred eighty-nine".