13387488061 has 2 divisors, whose sum is σ = 13387488062. Its totient is φ = 13387488060.

The previous prime is 13387488053. The next prime is 13387488113. The reversal of 13387488061 is 16088478331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9417732025 + 3969756036 = 97045^2 + 63006^2 .

It is a cyclic number.

It is not a de Polignac number, because 13387488061 - 2³ = 13387488053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13387487996 and 13387488014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13387488041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6693744030 + 6693744031.

It is an arithmetic number, because the mean of its divisors is an integer number (6693744031).

Almost surely, 2^13387488061 is an apocalyptic number.

It is an amenable number.

13387488061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13387488061 is an equidigital number, since it uses as much as digits as its factorization.

13387488061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 13387488061 in words is "thirteen billion, three hundred eighty-seven million, four hundred eighty-eight thousand, sixty-one".