5120243477 has 2 divisors, whose sum is σ = 5120243478. Its totient is φ = 5120243476.

The previous prime is 5120243461. The next prime is 5120243543. The reversal of 5120243477 is 7743420215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3697369636 + 1422873841 = 60806^2 + 37721^2 .

It is a cyclic number.

It is not a de Polignac number, because 5120243477 - 2⁴ = 5120243461 is a prime.

It is a super-2 number, since 2×5120243477² = 52433786527522099058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5120243077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560121738 + 2560121739.

It is an arithmetic number, because the mean of its divisors is an integer number (2560121739).

Almost surely, 2^5120243477 is an apocalyptic number.

It is an amenable number.

5120243477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120243477 is an equidigital number, since it uses as much as digits as its factorization.

5120243477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 5120243477 is about 71555.8766070265. The cubic root of 5120243477 is about 1723.5750721807.

The spelling of 5120243477 in words is "five billion, one hundred twenty million, two hundred forty-three thousand, four hundred seventy-seven".