6645420053002 has 8 divisors (see below), whose sum is σ = 10492768504800. Its totient is φ = 3147830551404.

The previous prime is 6645420052891. The next prime is 6645420053011. The reversal of 6645420053002 is 2003500245466.

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

It is a super-2 number, since 2×6645420053002² (a number of 26 digits) contains 22 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, 87439737502 + ... + 87439737577.

It is an arithmetic number, because the mean of its divisors is an integer number (1311596063100).

Almost surely, 2^{6645420053002} is an apocalyptic number.

6645420053002 is a deficient number, since it is larger than the sum of its proper divisors (3847348451798).

6645420053002 is a wasteful number, since it uses less digits than its factorization.

6645420053002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174879475100.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 6645420053002 its reverse (2003500245466), we get a palindrome (8648920298468).

The spelling of 6645420053002 in words is "six trillion, six hundred forty-five billion, four hundred twenty million, fifty-three thousand, two".