4782123517 has 2 divisors, whose sum is σ = 4782123518. Its totient is φ = 4782123516.

The previous prime is 4782123413. The next prime is 4782123539. The reversal of 4782123517 is 7153212874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4757412676 + 24710841 = 68974^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 4782123517 - 2²⁷ = 4647905789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4782123517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4782123587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2391061758 + 2391061759.

It is an arithmetic number, because the mean of its divisors is an integer number (2391061759).

Almost surely, 2^4782123517 is an apocalyptic number.

It is an amenable number.

4782123517 is a deficient number, since it is larger than the sum of its proper divisors (1).

4782123517 is an equidigital number, since it uses as much as digits as its factorization.

4782123517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 40.

The square root of 4782123517 is about 69152.8995559839. The cubic root of 4782123517 is about 1684.7686130744.

The spelling of 4782123517 in words is "four billion, seven hundred eighty-two million, one hundred twenty-three thousand, five hundred seventeen".