44147361913273 has 4 divisors (see below), whose sum is σ = 44147377116900. Its totient is φ = 44147346709648.

The previous prime is 44147361913243. The next prime is 44147361913297. The reversal of 44147361913273 is 37231916374144.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18240860148624 + 25906501764649 = 4270932^2 + 5089843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44147361913273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44147361913243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1738990 + ... + 9556087.

It is an arithmetic number, because the mean of its divisors is an integer number (11036844279225).

Almost surely, 2^{44147361913273} is an apocalyptic number.

It is an amenable number.

44147361913273 is a deficient number, since it is larger than the sum of its proper divisors (15203627).

44147361913273 is a wasteful number, since it uses less digits than its factorization.

44147361913273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15203626.

The product of its digits is 9144576, while the sum is 55.

The spelling of 44147361913273 in words is "forty-four trillion, one hundred forty-seven billion, three hundred sixty-one million, nine hundred thirteen thousand, two hundred seventy-three".