7268638051 has 2 divisors, whose sum is σ = 7268638052. Its totient is φ = 7268638050.

The previous prime is 7268638021. The next prime is 7268638057. The reversal of 7268638051 is 1508368627.

It is a strong prime.

It is an emirp because it is prime and its reverse (1508368627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7268638051 - 2⁵ = 7268638019 is a prime.

It is a super-3 number, since 3×7268638051³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7268637992 and 7268638010.

It is not a weakly prime, because it can be changed into another prime (7268638057) 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, 3634319025 + 3634319026.

It is an arithmetic number, because the mean of its divisors is an integer number (3634319026).

Almost surely, 2^7268638051 is an apocalyptic number.

7268638051 is a deficient number, since it is larger than the sum of its proper divisors (1).

7268638051 is an equidigital number, since it uses as much as digits as its factorization.

7268638051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 7268638051 is about 85256.3079836325. The cubic root of 7268638051 is about 1937.0954205725.

The spelling of 7268638051 in words is "seven billion, two hundred sixty-eight million, six hundred thirty-eight thousand, fifty-one".