4250472513509 has 2 divisors, whose sum is σ = 4250472513510. Its totient is φ = 4250472513508.

The previous prime is 4250472513499. The next prime is 4250472513517. The reversal of 4250472513509 is 9053152740524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4083107248900 + 167365264609 = 2020670^2 + 409103^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250472513509 - 2²⁸ = 4250204078053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4250472513109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125236256754 + 2125236256755.

It is an arithmetic number, because the mean of its divisors is an integer number (2125236256755).

Almost surely, 2^{4250472513509} is an apocalyptic number.

It is an amenable number.

4250472513509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250472513509 is an equidigital number, since it uses as much as digits as its factorization.

4250472513509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 4250472513509 in words is "four trillion, two hundred fifty billion, four hundred seventy-two million, five hundred thirteen thousand, five hundred nine".