44161393967 has 4 divisors (see below), whose sum is σ = 46485677880. Its totient is φ = 41837110056.

The previous prime is 44161393963. The next prime is 44161393999. The reversal of 44161393967 is 76939316144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44161393967 - 2² = 44161393963 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 (44161393963) 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 in 3 ways as a sum of consecutive naturals, for example, 1162141928 + ... + 1162141965.

It is an arithmetic number, because the mean of its divisors is an integer number (11621419470).

Almost surely, 2^44161393967 is an apocalyptic number.

44161393967 is a deficient number, since it is larger than the sum of its proper divisors (2324283913).

44161393967 is a wasteful number, since it uses less digits than its factorization.

44161393967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324283912.

The product of its digits is 2939328, while the sum is 53.

The spelling of 44161393967 in words is "forty-four billion, one hundred sixty-one million, three hundred ninety-three thousand, nine hundred sixty-seven".