6624403420654 has 4 divisors (see below), whose sum is σ = 9936605130984. Its totient is φ = 3312201710326.

The previous prime is 6624403420627. The next prime is 6624403420697. The reversal of 6624403420654 is 4560243044266.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656100855162 + ... + 1656100855165.

It is an arithmetic number, because the mean of its divisors is an integer number (2484151282746).

Almost surely, 2^{6624403420654} is an apocalyptic number.

6624403420654 is a deficient number, since it is larger than the sum of its proper divisors (3312201710330).

6624403420654 is a wasteful number, since it uses less digits than its factorization.

6624403420654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312201710329.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 6624403420654 in words is "six trillion, six hundred twenty-four billion, four hundred three million, four hundred twenty thousand, six hundred fifty-four".