13650640429 has 2 divisors, whose sum is σ = 13650640430. Its totient is φ = 13650640428.

The previous prime is 13650640403. The next prime is 13650640477. The reversal of 13650640429 is 92404605631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13323392329 + 327248100 = 115427^2 + 18090^2 .

It is a cyclic number.

It is not a de Polignac number, because 13650640429 - 2¹⁷ = 13650509357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13650640391 and 13650640400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13650640499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6825320214 + 6825320215.

It is an arithmetic number, because the mean of its divisors is an integer number (6825320215).

Almost surely, 2^13650640429 is an apocalyptic number.

It is an amenable number.

13650640429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13650640429 is an equidigital number, since it uses as much as digits as its factorization.

13650640429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 13650640429 in words is "thirteen billion, six hundred fifty million, six hundred forty thousand, four hundred twenty-nine".