7266407647 has 2 divisors, whose sum is σ = 7266407648. Its totient is φ = 7266407646.

The previous prime is 7266407639. The next prime is 7266407651. The reversal of 7266407647 is 7467046627.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7266407647 - 2³ = 7266407639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7266407647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7266407627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633203823 + 3633203824.

It is an arithmetic number, because the mean of its divisors is an integer number (3633203824).

Almost surely, 2^7266407647 is an apocalyptic number.

7266407647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266407647 is an equidigital number, since it uses as much as digits as its factorization.

7266407647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The square root of 7266407647 is about 85243.2263995210. The cubic root of 7266407647 is about 1936.8972657352.

The spelling of 7266407647 in words is "seven billion, two hundred sixty-six million, four hundred seven thousand, six hundred forty-seven".