7126380243 has 30 divisors (see below), whose sum is σ = 10704612996. Its totient is φ = 4724718768.

The previous prime is 7126380197. The next prime is 7126380251. The reversal of 7126380243 is 3420836217.

It is a happy number.

7126380243 is a `hidden beast` number, since 7 + 12 + 638 + 0 + 2 + 4 + 3 = 666.

7126380243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7126380243 - 2²⁵ = 7092825811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7126380198 and 7126380207.

It is not an unprimeable number, because it can be changed into a prime (7126380253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3142396 + ... + 3144662.

Almost surely, 2^7126380243 is an apocalyptic number.

7126380243 is a deficient number, since it is larger than the sum of its proper divisors (3578232753).

7126380243 is an equidigital number, since it uses as much as digits as its factorization.

7126380243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 7126380243 is about 84417.8905386767. The cubic root of 7126380243 is about 1924.3748118087.

The spelling of 7126380243 in words is "seven billion, one hundred twenty-six million, three hundred eighty thousand, two hundred forty-three".