8421469746 has 16 divisors (see below), whose sum is σ = 16844037600. Its totient is φ = 2806973568.

The previous prime is 8421469709. The next prime is 8421469759. The reversal of 8421469746 is 6479641248.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80925 + ... + 152943.

It is an arithmetic number, because the mean of its divisors is an integer number (1052752350).

Almost surely, 2^8421469746 is an apocalyptic number.

8421469746 is an abundant number, since it is smaller than the sum of its proper divisors (8422567854).

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

8421469746 is a wasteful number, since it uses less digits than its factorization.

8421469746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91513.

The product of its digits is 2322432, while the sum is 51.

The square root of 8421469746 is about 91768.5662195940. The cubic root of 8421469746 is about 2034.5231268351.

The spelling of 8421469746 in words is "eight billion, four hundred twenty-one million, four hundred sixty-nine thousand, seven hundred forty-six".