7281117826043 has 4 divisors (see below), whose sum is σ = 7281772790640. Its totient is φ = 7280462861448.

The previous prime is 7281117825959. The next prime is 7281117826097. The reversal of 7281117826043 is 3406287111827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7281117826043 - 2¹⁸ = 7281117563899 is a prime.

It is a super-2 number, since 2×7281117826043² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7281117825982 and 7281117826000.

It is not an unprimeable number, because it can be changed into a prime (7281117826943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327465623 + ... + 327487856.

It is an arithmetic number, because the mean of its divisors is an integer number (1820443197660).

Almost surely, 2^{7281117826043} is an apocalyptic number.

7281117826043 is a deficient number, since it is larger than the sum of its proper divisors (654964597).

7281117826043 is a wasteful number, since it uses less digits than its factorization.

7281117826043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654964596.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 7281117826043 in words is "seven trillion, two hundred eighty-one billion, one hundred seventeen million, eight hundred twenty-six thousand, forty-three".