13659400429 has 2 divisors, whose sum is σ = 13659400430. Its totient is φ = 13659400428.

The previous prime is 13659400373. The next prime is 13659400453. The reversal of 13659400429 is 92400495631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9559559529 + 4099840900 = 97773^2 + 64030^2 .

It is a cyclic number.

It is not a de Polignac number, because 13659400429 - 2¹¹ = 13659398381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13659400829) 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, 6829700214 + 6829700215.

It is an arithmetic number, because the mean of its divisors is an integer number (6829700215).

Almost surely, 2^13659400429 is an apocalyptic number.

It is an amenable number.

13659400429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13659400429 is an equidigital number, since it uses as much as digits as its factorization.

13659400429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 13659400429 in words is "thirteen billion, six hundred fifty-nine million, four hundred thousand, four hundred twenty-nine".