18973055754005 has 8 divisors (see below), whose sum is σ = 22767717835224. Its totient is φ = 15178410649600.

The previous prime is 18973055753963. The next prime is 18973055754007. The reversal of 18973055754005 is 50045755037981.

It can be written as a sum of positive squares in 4 ways, for example, as 2963142218884 + 16009913535121 = 1721378^2 + 4001239^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-18973055754005 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 (18973055754007) 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, 1640276 + ... + 6374685.

It is an arithmetic number, because the mean of its divisors is an integer number (2845964729403).

Almost surely, 2^{18973055754005} is an apocalyptic number.

It is an amenable number.

18973055754005 is a deficient number, since it is larger than the sum of its proper divisors (3794662081219).

18973055754005 is an equidigital number, since it uses as much as digits as its factorization.

18973055754005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488407.

The product of its (nonzero) digits is 26460000, while the sum is 59.

The spelling of 18973055754005 in words is "eighteen trillion, nine hundred seventy-three billion, fifty-five million, seven hundred fifty-four thousand, five".