648053799943 has 8 divisors (see below), whose sum is σ = 708407640576. Its totient is φ = 587939935800.

The previous prime is 648053799917. The next prime is 648053799983. The reversal of 648053799943 is 349997350846.

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 648053799943 - 2²¹ = 648051702791 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 (648053799983) 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 7 ways as a sum of consecutive naturals, for example, 59988471 + ... + 59999272.

It is an arithmetic number, because the mean of its divisors is an integer number (88550955072).

Almost surely, 2^648053799943 is an apocalyptic number.

648053799943 is a deficient number, since it is larger than the sum of its proper divisors (60353840633).

648053799943 is a wasteful number, since it uses less digits than its factorization.

648053799943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119988245.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 648053799943 in words is "six hundred forty-eight billion, fifty-three million, seven hundred ninety-nine thousand, nine hundred forty-three".