7469664669646 has 8 divisors (see below), whose sum is σ = 11204622949104. Its totient is φ = 3734790353280.

The previous prime is 7469664669629. The next prime is 7469664669671. The reversal of 7469664669646 is 6469664669647.

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

It is a congruent number.

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, 20767890 + ... + 21124501.

It is an arithmetic number, because the mean of its divisors is an integer number (1400577868638).

Almost surely, 2^{7469664669646} is an apocalyptic number.

7469664669646 is a deficient number, since it is larger than the sum of its proper divisors (3734958279458).

7469664669646 is a wasteful number, since it uses less digits than its factorization.

7469664669646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41981546.

The product of its digits is 10158317568, while the sum is 79.

Subtracting from 7469664669646 its reverse (6469664669647), we obtain a palindrome (999999999999).

The spelling of 7469664669646 in words is "seven trillion, four hundred sixty-nine billion, six hundred sixty-four million, six hundred sixty-nine thousand, six hundred forty-six".