13420002061 has 2 divisors, whose sum is σ = 13420002062. Its totient is φ = 13420002060.

The previous prime is 13420002047. The next prime is 13420002067. The reversal of 13420002061 is 16020002431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7335066025 + 6084936036 = 85645^2 + 78006^2 .

It is an emirp because it is prime and its reverse (16020002431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13420002061 - 2¹⁵ = 13419969293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420002067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710001030 + 6710001031.

It is an arithmetic number, because the mean of its divisors is an integer number (6710001031).

Almost surely, 2^13420002061 is an apocalyptic number.

It is an amenable number.

13420002061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420002061 is an equidigital number, since it uses as much as digits as its factorization.

13420002061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13420002061 its reverse (16020002431), we get a palindrome (29440004492).

The spelling of 13420002061 in words is "thirteen billion, four hundred twenty million, two thousand, sixty-one".