7478029313 has 2 divisors, whose sum is σ = 7478029314. Its totient is φ = 7478029312.

The previous prime is 7478029303. The next prime is 7478029331. The reversal of 7478029313 is 3139208747.

Together with next prime (7478029331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4957286464 + 2520742849 = 70408^2 + 50207^2 .

It is a cyclic number.

It is not a de Polignac number, because 7478029313 - 2³² = 3183062017 is a prime.

It is not a weakly prime, because it can be changed into another prime (7478029303) 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, 3739014656 + 3739014657.

It is an arithmetic number, because the mean of its divisors is an integer number (3739014657).

Almost surely, 2^7478029313 is an apocalyptic number.

It is an amenable number.

7478029313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7478029313 is an equidigital number, since it uses as much as digits as its factorization.

7478029313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 7478029313 is about 86475.5995237963. The cubic root of 7478029313 is about 1955.5205659747.

The spelling of 7478029313 in words is "seven billion, four hundred seventy-eight million, twenty-nine thousand, three hundred thirteen".