646023546753 has 24 divisors (see below), whose sum is σ = 932780514240. Its totient is φ = 397527324480.

The previous prime is 646023546737. The next prime is 646023546811. The reversal of 646023546753 is 357645320646.

It is not a de Polignac number, because 646023546753 - 2⁴ = 646023546737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 646023546696 and 646023546705.

It is not an unprimeable number, because it can be changed into a prime (646023546713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10494123 + ... + 10555503.

It is an arithmetic number, because the mean of its divisors is an integer number (38865854760).

Almost surely, 2^646023546753 is an apocalyptic number.

It is an amenable number.

646023546753 is a deficient number, since it is larger than the sum of its proper divisors (286756967487).

646023546753 is a wasteful number, since it uses less digits than its factorization.

646023546753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82169 (or 82156 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 51.

The spelling of 646023546753 in words is "six hundred forty-six billion, twenty-three million, five hundred forty-six thousand, seven hundred fifty-three".