13666670259043 has 16 divisors (see below), whose sum is σ = 14315893473600. Its totient is φ = 13022045688960.

The previous prime is 13666670259037. The next prime is 13666670259049. The reversal of 13666670259043 is 34095207666631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13666670259037) and next prime (13666670259049).

It is not a de Polignac number, because 13666670259043 - 2¹³ = 13666670250851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13666670259049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45069673 + ... + 45371893.

It is an arithmetic number, because the mean of its divisors is an integer number (894743342100).

Almost surely, 2^{13666670259043} is an apocalyptic number.

13666670259043 is a deficient number, since it is larger than the sum of its proper divisors (649223214557).

13666670259043 is a wasteful number, since it uses less digits than its factorization.

13666670259043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309822.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 13666670259043 in words is "thirteen trillion, six hundred sixty-six billion, six hundred seventy million, two hundred fifty-nine thousand, forty-three".