6453680664950 has 24 divisors (see below), whose sum is σ = 12207301059960. Its totient is φ = 2537718497600.

The previous prime is 6453680664947. The next prime is 6453680664989. The reversal of 6453680664950 is 594660863546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1093841231 + ... + 1093847130.

It is an arithmetic number, because the mean of its divisors is an integer number (508637544165).

Almost surely, 2^{6453680664950} is an apocalyptic number.

6453680664950 is a deficient number, since it is larger than the sum of its proper divisors (5753620395010).

6453680664950 is a wasteful number, since it uses less digits than its factorization.

6453680664950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187688432 (or 2187688427 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 62.

The spelling of 6453680664950 in words is "six trillion, four hundred fifty-three billion, six hundred eighty million, six hundred sixty-four thousand, nine hundred fifty".