7138400844841 has 8 divisors (see below), whose sum is σ = 8158203846464. Its totient is φ = 6118605706320.

The previous prime is 7138400844821. The next prime is 7138400844853. The reversal of 7138400844841 is 1484480048317.

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

It is a cyclic number.

It is not a de Polignac number, because 7138400844841 - 2⁷ = 7138400844713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7138400844821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128311 + ... + 3780643.

It is an arithmetic number, because the mean of its divisors is an integer number (1019775480808).

Almost surely, 2^{7138400844841} is an apocalyptic number.

It is an amenable number.

7138400844841 is a deficient number, since it is larger than the sum of its proper divisors (1019803001623).

7138400844841 is a wasteful number, since it uses less digits than its factorization.

7138400844841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931551.

The product of its (nonzero) digits is 2752512, while the sum is 52.

The spelling of 7138400844841 in words is "seven trillion, one hundred thirty-eight billion, four hundred million, eight hundred forty-four thousand, eight hundred forty-one".