647653242203 has 8 divisors (see below), whose sum is σ = 707799273840. Its totient is φ = 587718621280.

The previous prime is 647653242157. The next prime is 647653242281. The reversal of 647653242203 is 302242356746.

It is a happy number.

647653242203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 647653242203 - 2¹⁸ = 647652980059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647653242403) 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, 52846268 + ... + 52858521.

It is an arithmetic number, because the mean of its divisors is an integer number (88474909230).

Almost surely, 2^647653242203 is an apocalyptic number.

647653242203 is a deficient number, since it is larger than the sum of its proper divisors (60146031637).

647653242203 is a wasteful number, since it uses less digits than its factorization.

647653242203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105705357.

The product of its (nonzero) digits is 1451520, while the sum is 44.

Adding to 647653242203 its reverse (302242356746), we get a palindrome (949895598949).

The spelling of 647653242203 in words is "six hundred forty-seven billion, six hundred fifty-three million, two hundred forty-two thousand, two hundred three".