9744401855 has 8 divisors (see below), whose sum is σ = 11694921264. Its totient is φ = 7794428800.

The previous prime is 9744401837. The next prime is 9744401869. The reversal of 9744401855 is 5581044479.

It is a happy number.

9744401855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9744401855 - 2¹⁴ = 9744385471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96266 + ... + 169575.

It is an arithmetic number, because the mean of its divisors is an integer number (1461865158).

Almost surely, 2^9744401855 is an apocalyptic number.

9744401855 is a deficient number, since it is larger than the sum of its proper divisors (1950519409).

9744401855 is a wasteful number, since it uses less digits than its factorization.

9744401855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273177.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 9744401855 is about 98713.7369113337. The cubic root of 9744401855 is about 2135.9203914107.

The spelling of 9744401855 in words is "nine billion, seven hundred forty-four million, four hundred one thousand, eight hundred fifty-five".