44077981381693 has 16 divisors (see below), whose sum is σ = 50592605901696. Its totient is φ = 37618117447680.

The previous prime is 44077981381669. The next prime is 44077981381703. The reversal of 44077981381693 is 39618318977044.

It is not a de Polignac number, because 44077981381693 - 2¹⁷ = 44077981250621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44077981381793) 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, 11589703 + ... + 14915668.

It is an arithmetic number, because the mean of its divisors is an integer number (3162037868856).

Almost surely, 2^{44077981381693} is an apocalyptic number.

It is an amenable number.

44077981381693 is a deficient number, since it is larger than the sum of its proper divisors (6514624520003).

44077981381693 is a wasteful number, since it uses less digits than its factorization.

44077981381693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506404.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 44077981381693 in words is "forty-four trillion, seventy-seven billion, nine hundred eighty-one million, three hundred eighty-one thousand, six hundred ninety-three".