8446149208742 has 8 divisors (see below), whose sum is σ = 14479112929296. Its totient is φ = 3619778232312.

The previous prime is 8446149208741. The next prime is 8446149208747. The reversal of 8446149208742 is 2478029416448.

It is a happy number.

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

It is a super-2 number, since 2×8446149208742² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446149208741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301648186013 + ... + 301648186040.

It is an arithmetic number, because the mean of its divisors is an integer number (1809889116162).

Almost surely, 2^{8446149208742} is an apocalyptic number.

8446149208742 is a deficient number, since it is larger than the sum of its proper divisors (6032963720554).

8446149208742 is a wasteful number, since it uses less digits than its factorization.

8446149208742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603296372062.

The product of its (nonzero) digits is 24772608, while the sum is 59.

The spelling of 8446149208742 in words is "eight trillion, four hundred forty-six billion, one hundred forty-nine million, two hundred eight thousand, seven hundred forty-two".