13568741077 has 2 divisors, whose sum is σ = 13568741078. Its totient is φ = 13568741076.

The previous prime is 13568740931. The next prime is 13568741083. The reversal of 13568741077 is 77014786531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13268966481 + 299774596 = 115191^2 + 17314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13568741077 is a prime.

It is a super-2 number, since 2×13568741077² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13568741077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13568141077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6784370538 + 6784370539.

It is an arithmetic number, because the mean of its divisors is an integer number (6784370539).

Almost surely, 2^13568741077 is an apocalyptic number.

It is an amenable number.

13568741077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13568741077 is an equidigital number, since it uses as much as digits as its factorization.

13568741077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 13568741077 in words is "thirteen billion, five hundred sixty-eight million, seven hundred forty-one thousand, seventy-seven".