7263447161 has 2 divisors, whose sum is σ = 7263447162. Its totient is φ = 7263447160.

The previous prime is 7263447089. The next prime is 7263447179. The reversal of 7263447161 is 1617443627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112250000 + 2151197161 = 71500^2 + 46381^2 .

It is an emirp because it is prime and its reverse (1617443627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7263447161 - 2¹⁰ = 7263446137 is a prime.

It is not a weakly prime, because it can be changed into another prime (7263447181) 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 as a sum of consecutive naturals, namely, 3631723580 + 3631723581.

It is an arithmetic number, because the mean of its divisors is an integer number (3631723581).

Almost surely, 2^7263447161 is an apocalyptic number.

It is an amenable number.

7263447161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7263447161 is an equidigital number, since it uses as much as digits as its factorization.

7263447161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 7263447161 is about 85225.8596964560. The cubic root of 7263447161 is about 1936.6341858920.

The spelling of 7263447161 in words is "seven billion, two hundred sixty-three million, four hundred forty-seven thousand, one hundred sixty-one".