11698341889 has 8 divisors (see below), whose sum is σ = 12599069672. Its totient is φ = 10797736320.

The previous prime is 11698341881. The next prime is 11698341943. The reversal of 11698341889 is 98814389611.

It can be written as a sum of positive squares in 4 ways, for example, as 75777025 + 11622564864 = 8705^2 + 107808^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11698341889 - 2³ = 11698341881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11698341881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303997 + ... + 340309.

It is an arithmetic number, because the mean of its divisors is an integer number (1574883709).

Almost surely, 2^11698341889 is an apocalyptic number.

It is an amenable number.

11698341889 is a deficient number, since it is larger than the sum of its proper divisors (900727783).

11698341889 is a wasteful number, since it uses less digits than its factorization.

11698341889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61107.

The product of its digits is 2985984, while the sum is 58.

The spelling of 11698341889 in words is "eleven billion, six hundred ninety-eight million, three hundred forty-one thousand, eight hundred eighty-nine".