13770983806 has 4 divisors (see below), whose sum is σ = 20656475712. Its totient is φ = 6885491902.

The previous prime is 13770983801. The next prime is 13770983833. The reversal of 13770983806 is 60838907731.

It is a happy number.

13770983806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60838907731 = 7 ⋅8691272533.

It is a super-2 number, since 2×13770983806² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770983801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442745950 + ... + 3442745953.

It is an arithmetic number, because the mean of its divisors is an integer number (5164118928).

Almost surely, 2^13770983806 is an apocalyptic number.

13770983806 is a deficient number, since it is larger than the sum of its proper divisors (6885491906).

13770983806 is an equidigital number, since it uses as much as digits as its factorization.

13770983806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885491905.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 13770983806 in words is "thirteen billion, seven hundred seventy million, nine hundred eighty-three thousand, eight hundred six".