9408147981242 has 8 divisors (see below), whose sum is σ = 14112236110932. Its totient is φ = 4704069277600.

The previous prime is 9408147981163. The next prime is 9408147981263. The reversal of 9408147981242 is 2421897418049.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9365625829561 + 42522151681 = 3060331^2 + 206209^2 .

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

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, 1231142 + ... + 4509102.

Almost surely, 2^{9408147981242} is an apocalyptic number.

9408147981242 is a deficient number, since it is larger than the sum of its proper divisors (4704088129690).

9408147981242 is a wasteful number, since it uses less digits than its factorization.

9408147981242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713024.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 9408147981242 in words is "nine trillion, four hundred eight billion, one hundred forty-seven million, nine hundred eighty-one thousand, two hundred forty-two".