6428023242564 has 48 divisors (see below), whose sum is σ = 18699703981056. Its totient is φ = 1669616426400.

The previous prime is 6428023242541. The next prime is 6428023242583. The reversal of 6428023242564 is 4652423208246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3478366632 + ... + 3478368479.

It is an arithmetic number, because the mean of its divisors is an integer number (389577166272).

Almost surely, 2^{6428023242564} is an apocalyptic number.

It is an amenable number.

6428023242564 is an abundant number, since it is smaller than the sum of its proper divisors (12271680738492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428023242564 is a wasteful number, since it uses less digits than its factorization.

6428023242564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956735136 (or 6956735134 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

The spelling of 6428023242564 in words is "six trillion, four hundred twenty-eight billion, twenty-three million, two hundred forty-two thousand, five hundred sixty-four".