4517248645923 has 64 divisors (see below), whose sum is σ = 6798629859840. Its totient is φ = 2648599769088.

The previous prime is 4517248645909. The next prime is 4517248645939. The reversal of 4517248645923 is 3295468427154.

It is a Cunningham number, because it is equal to 2125382²-1.

It is not a de Polignac number, because 4517248645923 - 2¹² = 4517248641827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4517248645423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82862611 + ... + 82917107.

It is an arithmetic number, because the mean of its divisors is an integer number (106228591560).

Almost surely, 2^{4517248645923} is an apocalyptic number.

4517248645923 is a deficient number, since it is larger than the sum of its proper divisors (2281381213917).

4517248645923 is a wasteful number, since it uses less digits than its factorization.

4517248645923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55508.

The product of its digits is 58060800, while the sum is 60.

The spelling of 4517248645923 in words is "four trillion, five hundred seventeen billion, two hundred forty-eight million, six hundred forty-five thousand, nine hundred twenty-three".