6653645245426 has 8 divisors (see below), whose sum is σ = 10011951994860. Its totient is φ = 3316327913808.

The previous prime is 6653645245409. The next prime is 6653645245441. The reversal of 6653645245426 is 6245425463566.

It can be written as a sum of positive squares in 2 ways, for example, as 6646006660225 + 7638585201 = 2577985^2 + 87399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×6653645245426³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247353661 + ... + 5247354928.

Almost surely, 2^{6653645245426} is an apocalyptic number.

6653645245426 is a deficient number, since it is larger than the sum of its proper divisors (3358306749434).

6653645245426 is a wasteful number, since it uses less digits than its factorization.

6653645245426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494708908.

The product of its digits is 124416000, while the sum is 58.

The spelling of 6653645245426 in words is "six trillion, six hundred fifty-three billion, six hundred forty-five million, two hundred forty-five thousand, four hundred twenty-six".