7263801091 has 2 divisors, whose sum is σ = 7263801092. Its totient is φ = 7263801090.

The previous prime is 7263801043. The next prime is 7263801109. The reversal of 7263801091 is 1901083627.

Together with next prime (7263801109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7263801091 - 2¹¹ = 7263799043 is a prime.

It is a super-2 number, since 2×7263801091² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7263801091.

It is not a weakly prime, because it can be changed into another prime (7263801031) 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, 3631900545 + 3631900546.

It is an arithmetic number, because the mean of its divisors is an integer number (3631900546).

Almost surely, 2^7263801091 is an apocalyptic number.

7263801091 is a deficient number, since it is larger than the sum of its proper divisors (1).

7263801091 is an equidigital number, since it uses as much as digits as its factorization.

7263801091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7263801091 is about 85227.9360949214. The cubic root of 7263801091 is about 1936.6656411955.

The spelling of 7263801091 in words is "seven billion, two hundred sixty-three million, eight hundred one thousand, ninety-one".