7266619601 has 2 divisors, whose sum is σ = 7266619602. Its totient is φ = 7266619600.

The previous prime is 7266619567. The next prime is 7266619637. The reversal of 7266619601 is 1069166627.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4668168976 + 2598450625 = 68324^2 + 50975^2 .

It is an emirp because it is prime and its reverse (1069166627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7266619601 - 2¹⁴ = 7266603217 is a prime.

It is not a weakly prime, because it can be changed into another prime (7266619691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633309800 + 3633309801.

It is an arithmetic number, because the mean of its divisors is an integer number (3633309801).

Almost surely, 2^7266619601 is an apocalyptic number.

It is an amenable number.

7266619601 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266619601 is an equidigital number, since it uses as much as digits as its factorization.

7266619601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 7266619601 is about 85244.4696212018. The cubic root of 7266619601 is about 1936.9160980180.

The spelling of 7266619601 in words is "seven billion, two hundred sixty-six million, six hundred nineteen thousand, six hundred one".