8401201649338 has 16 divisors (see below), whose sum is σ = 13343140661760. Its totient is φ = 3953490158016.

The previous prime is 8401201649333. The next prime is 8401201649339. The reversal of 8401201649338 is 8339461021048.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8401201649291 and 8401201649300.

It is not an unprimeable number, because it can be changed into a prime (8401201649333) 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 7 ways as a sum of consecutive naturals, for example, 12544645 + ... + 13197367.

It is an arithmetic number, because the mean of its divisors is an integer number (833946291360).

Almost surely, 2^{8401201649338} is an apocalyptic number.

8401201649338 is a deficient number, since it is larger than the sum of its proper divisors (4941939012422).

8401201649338 is a wasteful number, since it uses less digits than its factorization.

8401201649338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031301.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 8401201649338 in words is "eight trillion, four hundred one billion, two hundred one million, six hundred forty-nine thousand, three hundred thirty-eight".