13662826061 has 2 divisors, whose sum is σ = 13662826062. Its totient is φ = 13662826060.

The previous prime is 13662826039. The next prime is 13662826081. The reversal of 13662826061 is 16062826631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13578075625 + 84750436 = 116525^2 + 9206^2 .

It is a cyclic number.

It is not a de Polignac number, because 13662826061 - 2⁶ = 13662825997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13662826081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831413030 + 6831413031.

It is an arithmetic number, because the mean of its divisors is an integer number (6831413031).

Almost surely, 2^13662826061 is an apocalyptic number.

It is an amenable number.

13662826061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662826061 is an equidigital number, since it uses as much as digits as its factorization.

13662826061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 13662826061 in words is "thirteen billion, six hundred sixty-two million, eight hundred twenty-six thousand, sixty-one".