17044937993 has 8 divisors (see below), whose sum is σ = 17440643400. Its totient is φ = 16652983680.

The previous prime is 17044937989. The next prime is 17044938101. The reversal of 17044937993 is 39973944071.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 725386489 + 16319551504 = 26933^2 + 127748^2 .

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 17044937993 - 2² = 17044937989 is a prime.

It is a super-2 number, since 2×17044937993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (17044927993) 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, 928580 + ... + 946757.

It is an arithmetic number, because the mean of its divisors is an integer number (2180080425).

Almost surely, 2^17044937993 is an apocalyptic number.

It is an amenable number.

17044937993 is a deficient number, since it is larger than the sum of its proper divisors (395705407).

17044937993 is a wasteful number, since it uses less digits than its factorization.

17044937993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875547.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 17044937993 in words is "seventeen billion, forty-four million, nine hundred thirty-seven thousand, nine hundred ninety-three".