503250420749 has 2 divisors, whose sum is σ = 503250420750. Its totient is φ = 503250420748.

The previous prime is 503250420719. The next prime is 503250420781. The reversal of 503250420749 is 947024052305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461424035524 + 41826385225 = 679282^2 + 204515^2 .

It is a cyclic number.

It is not a de Polignac number, because 503250420749 - 2²⁴ = 503233643533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503250420719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251625210374 + 251625210375.

It is an arithmetic number, because the mean of its divisors is an integer number (251625210375).

Almost surely, 2^503250420749 is an apocalyptic number.

It is an amenable number.

503250420749 is a deficient number, since it is larger than the sum of its proper divisors (1).

503250420749 is an equidigital number, since it uses as much as digits as its factorization.

503250420749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 503250420749 in words is "five hundred three billion, two hundred fifty million, four hundred twenty thousand, seven hundred forty-nine".